Present Simple Continuous

Respuesta correcta: A) is watching

• A) is watchingIs watching is the present continuous: the action is happening at this moment.
• B) watchesWatches is present simple, used for habits and fixed facts, not for an action in progress.
• C) watchWatch has no auxiliary verb, so it cannot form the progressive.
• D) is watchIs watch is wrong because the progressive needs the -ing form after the auxiliary.

Respuesta correcta: B) go

• A) are goingAre going is the present continuous, which needs a temporary situation, not a yearly habit.
• B) goGo is present simple, the tense used for a repeated seasonal habit.
• C) goesGoes agrees with he, she or it only, while the subject here is they.
• D) is goingIs going also disagrees with the plural subject they.

Respuesta correcta: C) is raining

• A) rainsRains is present simple; here the rain is visible happening at this moment.
• B) rainRain is the bare infinitive, which cannot stand as the verb of this sentence.
• C) is rainingIs raining is the present continuous, and Look signals an action in progress.
• D) has rainedHas rained is present perfect and points to a period that is already over.

Respuesta correcta: D) Is

• A) AreAre agrees with you, we, they or a plural subject, but your sister is singular.
• B) DoDo builds the present simple and cannot be followed by working.
• C) DoesDoes also builds the present simple and cannot be followed by an -ing form.
• D) IsIs agrees with the third person singular subject your sister and with the -ing form working.

Respuesta correcta: A) was crying

• A) was cryingWas crying was continuous past, and it keeps the explanation of the noise in the past.
• B) is cryingIs crying is present continuous and would place the noise in the present moment.
• C) criesCries is present simple, a general fact that does not describe the single past moment.
• D) has criedHas cried is present perfect and stresses a result in the present instead of the past scene.

Respuesta correcta: B) was cooking

• A) is cookingIs cooking is present continuous and does not fit a past story.
• B) was cookingWas cooking is the past continuous used as the longer background action of a past period.
• C) cooksCooks is present simple, which cannot introduce the background of a past event.
• D) will cookWill cook belongs to the future and has no place in a past narrative.

Respuesta correcta: C) boils

• A) is boilingIs boiling is the present continuous, used for an action in progress, not for a general scientific fact.
• B) boiledBoiled is past simple and would date the fact to a finished past moment.
• C) boilsBoils is present simple, the tense that expresses a general or permanent truth.
• D) was boilingWas boiling is past continuous and would describe a temporary past situation.

Respuesta correcta: D) swim

• A) am swimmingAm swimming is the present continuous and would imply the action happens only now.
• B) swimsSwims agrees with he, she or it, but the subject here is I.
• C) was swimmingWas swimming is past continuous and describes an unfinished past routine.
• D) swimSwim is present simple, correct for a routine repeated every week.

Respuesta correcta: A) She is reading a novel at the moment.

• A) She is reading a novel at the moment.Is reading at the moment is present continuous and places the action exactly now.
• B) She reads novels every night.Reads every night is present simple and describes a repeated habit.
• C) She read a novel last night.Read last night is past simple and refers to a finished past action.
• D) She will read a novel tomorrow.Will read is future simple and belongs to tomorrow.

Respuesta correcta: B) am taking

• A) takeTake is present simple and would describe the usual habit, not the exception of today.
• B) am takingAm taking is the present continuous used for a temporary change from the normal routine.
• C) takesTakes agrees with he, she or it only, while the subject here is I.
• D) was takingWas taking is past continuous and would place the exception in the past.

Respuesta correcta: C) Are

• A) DoDo builds the present simple and cannot be followed by the -ing form opening.
• B) DoesDoes also builds the present simple and does not fit this structure.
• C) AreAre is the auxiliary of the present continuous and belongs to the polite structure Do you mind opening.
• D) DidDid is the past auxiliary and would place the request in the past.

Respuesta correcta: D) At eight o'clock I have breakfast every day.

• A) At eight o'clock I am have breakfast every day.Am have mixes the two present forms and produces a form that does not exist in English.
• B) At eight o'clock I having breakfast.Having cannot stand alone as the verb; it needs an auxiliary such as is having.
• C) At eight o'clock I has breakfast.Has agrees with he, she or it, but the subject here is I.
• D) At eight o'clock I have breakfast every day.Have is present simple, the tense a daily routine with a fixed hour requires.

Respuesta correcta: A) is not listening

• A) is not listeningIs not listening is the present continuous in the negative, needed for the temporary action happening now.
• B) does not listenDoes not listen is the negative present simple, used for habits and facts.
• C) not listensNot listens leaves the sentence without an auxiliary and is not a valid form.
• D) is listenIs listen is wrong because the progressive requires the -ing form listening.

Respuesta correcta: B) aren't you

• A) don't youDon't you would require a present simple statement such as I am not tired never appears with do.
• B) aren't youAren't you is the tag that matches the statement I am not tired: plural you with the negative auxiliary are.
• C) isn't youIsn't you mixes the singular is with the plural pronoun you.
• D) aren't IAren't I would question the speaker instead of the listener, which the comma demands you to do.

Respuesta correcta: C) is leaving

• A) leavesLeaves is present simple and would describe a scheduled habit, not this urgent moment.
• B) leftLeft is past simple and would place the departure in a finished past moment.
• C) is leavingIs leaving is the present continuous and expresses the departure as a situation in progress now.
• D) will leaveWill leave is future simple, while the train is about to go in the present situation.

Respuesta correcta: D) He usually walks, but today he is walking to the exam.

• A) He usually is walking, but today he walks to the exam.Usually is walking reverses the roles of the two forms and turns the habit into a permanent action.
• B) He usually walks, but today he walks to the exam.Both clauses would be present simple and would hide the temporary change of today.
• C) He usually walking, but today he is walking to the exam.Usually walking has no auxiliary and cannot build the first half of the sentence.
• D) He usually walks, but today he is walking to the exam.Usually walks gives the present simple for the habit and today he is walking the present continuous for the exception.

Respuesta correcta: A) is repairing

• A) is repairingIs repairing is the present continuous and describes the repair happening while you watch.
• B) repairsRepairs is present simple, used for routines and repeated jobs.
• C) repairRepair is the bare infinitive and cannot be the verb of this sentence alone.
• D) is repairIs repair is not a valid form, because the progressive needs the -ing form.

Respuesta correcta: B) rises

• A) is risingIs rising is present continuous and would need a specific moment of observation.
• B) risesRises is present simple, the tense used for a permanent and general fact.
• C) roseRose is past simple and would tell us when the sun rose this morning.
• D) was risingWas rising is past continuous and belongs to a description of the past.

Respuesta correcta: C) am staying

• A) stayStay is present simple and would describe a habit rather than a temporary visit.
• B) stayedStayed is past simple and would end the stay before the second clause.
• C) am stayingAm staying is the present continuous used for a temporary situation that lasts during the stay.
• D) was stayingWas staying is past continuous, but the visit is still not finished.

Respuesta correcta: D) I am meeting my cousin at six.

• A) I meeting my cousin at six.Meeting has no auxiliary, so the sentence has no verb in the present continuous.
• B) I meet my cousin at six o'clock yesterday.Yesterday forces the past, which makes meet impossible in that position.
• C) I am meet my cousin at six.Am meet repeats the auxiliary and lacks the -ing form the progressive requires.
• D) I am meeting my cousin at six.Am meeting is a valid present continuous sentence announcing a fixed arrangement.