Present Continuous Actions

Respuesta correcta: C) are making

• A) makeThe simple present describes a general fact, not an action in progress.
• B) madeThe simple past refers to a finished action.
• C) are making'Are' plus gerund describes an action happening now.
• D) are madePassive voice would mean the poster is being made by someone else.

Respuesta correcta: C) It is happening at this moment.

• A) It is a repeated past habit.The continuous tense does not describe repeated past habits.
• B) It will be finished next week.Nothing in the sentence refers to next week.
• C) It is happening at this moment.'Is writing' plus 'right now' marks an action in progress.
• D) It happened before she spoke.That would require the past continuous.

Respuesta correcta: B) He is repairing his bicycle in the garage.

• A) He is repair his bicycle in the garage.After 'is' the verb must be in the gerund form 'repairing'.
• B) He is repairing his bicycle in the garage.'Is repairing' is the present continuous of the verb 'repair'.
• C) He repairing his bicycle in the garage.The auxiliary 'is' is missing from the sentence.
• D) He are repairing his bicycle in the garage.'Are' does not agree with the singular subject 'he'.

Respuesta correcta: A) are packing

• A) are packing'Are packing' with 'right now' describes an action currently in progress.
• B) packThe simple present would describe a general habit instead.
• C) packedThe simple past refers to a completed action.
• D) have packThe present perfect requires the past participle 'packed'.

Respuesta correcta: A) The simple describes a habit; the continuous describes an action now

• A) The simple describes a habit; the continuous describes an action nowTime reference, not grammar validity, is what separates the two forms.
• B) Both sentences describe the same momentThe two forms differ precisely in their time reference.
• C) The continuous is only used in questionsThe continuous appears in statements as well as in questions.
• D) The simple is ungrammatical hereThe simple present is perfectly grammatical in a habitual sentence.

Respuesta correcta: D) is knocking

• A) knocksThe simple present would suggest a repeated habit.
• B) knockedThe simple past refers to a completed action before now.
• C) is knockAfter 'is' the verb must be in the gerund form.
• D) is knocking'Is knocking' describes an action audible at this moment.

Respuesta correcta: C) The students are taking an exam right now.

• A) The students is taking an exam right now.'Is' is used only with he, she or it.
• B) The students are take an exam right now.After 'are' the verb must be a gerund, not the base form.
• C) The students are taking an exam right now.'Are taking' agrees with the plural subject 'the students'.
• D) The students takes an exam right now.'Takes' is the simple present third person singular.

Respuesta correcta: B) 'Work' must be the gerund 'working'.

• A) 'Is' must be 'are'.The subject 'she' is singular, so 'is' is correct.
• B) 'Work' must be the gerund 'working'.The present continuous requires the -ing form after the auxiliary.
• C) The sentence has no error.The base form after 'is' is a real grammatical error.
• D) 'Hospital' must be 'the hospital'.The article is not the problem in this sentence.

Respuesta correcta: A) An eruption is happening now and scientists are observing it

• A) An eruption is happening now and scientists are observing it'Is erupting' and 'are watching' both mark actions in progress.
• B) The eruption ended years agoThe present continuous places the eruption in the present moment.
• C) Scientists are planning a future tripNo future activity is described in the text.
• D) The volcano is dormant'Is erupting' indicates the opposite of being dormant.

Respuesta correcta: C) at the moment

• A) every day'Every day' marks a habit and requires the simple present.
• B) yesterday'Yesterday' is a past marker and requires a past tense.
• C) at the moment'At the moment' marks an action in progress right now.
• D) last week'Last week' is a finished past period and requires the past simple.

Respuesta correcta: D) are

• A) do'Do' builds the simple present, not the continuous.
• B) is'Is' does not agree with the subject 'you'.
• C) does'Does' plus base verb is the simple present interrogative.
• D) are'Are' plus subject plus gerund forms the question correctly.

Respuesta correcta: C) He is not sleeping right now.

• A) He not is sleeping right now.The auxiliary must precede the adverb 'not'.
• B) He is not sleep right now.After 'is not' the verb must be the gerund 'sleeping'.
• C) He is not sleeping right now.'Is not' plus gerund is the correct negative structure.
• D) He does not sleeps right now.The present continuous requires 'is not', not 'does not'.

Respuesta correcta: A) studying

• A) studyingVerbs ending in -y drop the -y before -ing: 'studying'.
• B) studyyingThe ending is simply -ing; the -y is not duplicated.
• C) studys'Studys' is not a verb form in English.
• D) study'Study' is the base form, not the gerund.

Respuesta correcta: B) They are playing football at the moment.

• A) They play football at the moment.That would be the simple present, which does not match 'at the moment'.
• B) They are playing football at the moment.The gerund 'playing' follows the auxiliary 'are'.
• C) They are play football at the moment.That is the original incorrect form with the same error.
• D) They is playing football at the moment.'Is' does not agree with the plural subject 'they'.

Respuesta correcta: D) A usual habit is replaced today by a different arrangement

• A) The speaker always takes the busThe text states the opposite: the bus is only for today.
• B) The speaker never walksThe simple present describes walking as the usual action.
• C) The speaker has not decided yetThe decision is already stated: today the bus is taken.
• D) A usual habit is replaced today by a different arrangementThe 'but' contrasts the routine with today's exception.

Respuesta correcta: B) This week she is working from home.

• A) This week she works from home.The simple present would imply a permanent arrangement.
• B) This week she is working from home.'This week' marks a temporary arrangement, typical of the continuous.
• C) She worked from home this week.The simple past would refer to a completed week.
• D) She will work from home this week.The future refers to an arrangement not yet in progress.

Respuesta correcta: A) A future arrangement already decided

• A) A future arrangement already decided'Are not coming' can signal a planned change of intention.
• B) A past habit that has stoppedA stopped habit would be expressed with the simple past.
• C) A refusal to answer the questionThe structure itself does not express refusal.
• D) An action repeated every dayDaily repetition requires the simple present.

Respuesta correcta: D) She is currently waiting for the results.

• A) She currently is waiting for the results.Placing the adverb between the auxiliary and the verb breaks the normal order.
• B) Is she currently waiting for the results.Without a question mark this is not a correctly punctuated question.
• C) She is waiting now for the results for.'Now' and 'for' cannot be placed in that order at the end.
• D) She is currently waiting for the results.'Is' before the subject and 'waiting' at the end follows the standard order.

Respuesta correcta: B) The earthquake is happening at the time of speaking

• A) The earthquake happened in the pastThe continuous form does not refer to a completed past event.
• B) The earthquake is happening at the time of speakingBoth the continuous form and 'right now' place the event in the present.
• C) The earthquake will happen tomorrowNothing in the sentence refers to the future.
• D) The earthquake happens every weekDaily frequency would require the simple present.

Respuesta correcta: D) He cooks at home, but tonight he is eating out.

• A) He cook at home, but tonight he eat out.Both verbs lack the -s required by the third person singular.
• B) He is cooking at home, but tonight he cooks out.The tense assignment is reversed: the habit is not the continuous one.
• C) He cooks at home, but tonight he cook out.The second clause lacks the -s on the simple present verb.
• D) He cooks at home, but tonight he is eating out.Simple present for the habit, continuous for tonight's exception.