Quiz: Mastering English Grammar and Usage — 14 perguntas

1. Which sentence uses the present simple correctly to express a general truth?

A. Water is boiling at 100°C.

B. Water will boil at 100°C.

C. Water boils at 100°C.

D. Water has boiled at 100°C.

Answer: (C)

Explicação

Present simple is used for objective facts and general truths. The other options describe an action in progress, a completed result, or a future prediction.

2. Why is "I think the film is great" correct, while "I’m thinking the film is great" is not the usual choice here?

A. Because think must always be followed by an object.

B. Because think is a stative verb and normally does not use be + -ing.

C. Because think is a modal verb in this sentence.

D. Because think is only used in the past simple.

Answer: (B)

Explicação

Common stative verbs like think normally do not appear in be + -ing because they describe states, not actions. The -ing form is more natural for actions in progress, not opinions.

3. Which sentence best shows the present perfect linking past events to the present?

A. I have finished my homework, so I can relax now.

B. I finished my homework yesterday.

C. I was finishing my homework at 8 p.m.

D. I had finished my homework before dinner.

Answer: (A)

Explicação

Present perfect connects a past action with a present result or relevance. The word now signals the present consequence, unlike the past simple, past continuous, or past perfect.

4. Which sentence correctly uses past perfect to show the earlier of two past actions?

A. When we arrived, the train had left.

B. When we arrived, the train has left.

C. When we arrived, the train leaves.

D. When we arrived, the train left.

Answer: (A)

Explicação

Past perfect is used for the action that happened first in the past. Here, the train leaving happened before the arrival.

5. Which sentence is in the passive voice?

A. The meal was prepared by the chef.

B. The chef prepared the meal.

C. The meal prepared the chef.

D. The chef was preparing the meal.

Answer: (A)

Explicação

Passive voice makes the receiver of the action the subject, using be + past participle, with the agent added by by if needed. The other choices are active or grammatically incorrect.

6. Which conditional sentence expresses an unreal past situation?

A. If it rains tomorrow, we will stay home.

B. If I had known the answer, I would have helped you.

C. If you heat water to 100°C, it boils.

D. If I were tired, I would go to bed earlier.

Answer: (B)

Explicação

Type III conditionals use if + past perfect and would have + past participle to describe an unreal past hypothesis. The other options are Type 0, Type I, and Type II conditionals.

7. Which sentence best expresses a repeated past habit?

A. When I was a child, I would visit my grandparents every summer.

B. I used to visit my grandparents yesterday.

C. I can visit my grandparents every summer.

D. I am used to visit my grandparents every summer.

Answer: (A)

Explicação

Would + base verb can describe a frequent past habit or characteristic behavior. Used to can also show a past habit, but not with a precise time like yesterday.

8. Which sentence uses a modal correctly to ask for permission in a more formal way?

A. Could I leave early, please?

B. Must I leave early, please?

C. Can I leaving early, please?

D. Would I leave early, please?

Answer: (A)

Explicação

Could is a polite, more formal way to ask for permission. The other forms are ungrammatical for this meaning or express a different idea.

9. Which sentence correctly follows the pattern for expressing preference with an object and an infinitive?

A. I would like that you come with us.

B. I would like you comes with us.

C. I would like you to come with us.

D. I would like you coming with us.

Answer: (C)

Explicação

Would like can be followed by an object and to + base verb when asking someone to do something. The other options use the wrong verb form or structure.

10. Which sentence correctly uses a gerund after a verb of liking or dislike?

A. She enjoys to swimming in the morning.

B. She enjoys to swim in the morning.

C. She enjoys swim in the morning.

D. She enjoys swimming in the morning.

Answer: (D)

Explicação

Verbs of taste and preference such as enjoy are followed by a gerund. The other options use an infinitive or base verb, which is not the expected pattern here.

11. Which form correctly completes the sentence: "I really enjoy _____ in the morning"?

A. run

B. to running

C. to run

D. running

Answer: (D)

Explicação

Verbs of preference such as enjoy are followed by a gerund. "Running" is the correct form, while "to run" is not the usual pattern here.

12. Which structure correctly expresses a suggestion about what to do?

A. I suggest to go early.

B. I suggest going early.

C. I suggest we to go early.

D. I suggest go early.

Answer: (B)

Explicação

Suggest is followed by a gerund when giving an idea for what to do. "I suggest going early" matches that pattern.

13. Which sentence correctly shows that someone cannot stop doing something?

A. I cannot help laugh.

B. I cannot help laughing.

C. I cannot help for laughing.

D. I cannot help to laugh.

Answer: (B)

Explicação

The structure is cannot help + V-ing, so "laughing" is correct. An infinitive after help is not the right pattern here.

14. Which sentence correctly uses a preference structure with an object and an infinitive?

A. I would like he to help me.

B. I would like him help me.

C. I would like him helping me.

D. I would like him to help me.

Answer: (D)

Explicação

Would like + object + to + base verb is the correct pattern for expressing a preference about someone else’s action. "To help" is required here.