Nivelación grado 9

What is the correct grammatical structure to form an affirmative sentence in the Present Perfect tense?. Subject + had + past participle. Subject + am/is/are + past participle. Subject + have/has + verb in infinitive. Subject + have/has + past participle.

According to the material, in what situation is it most appropriate to use the Present Perfect?. To talk only about future plans that are totally safe. To describe an action that occurred at an exact and finished moment in the past. To talk about actions that occurred at a non-specific time in the past with current relevance. To describe daily habits that always occur in the present.

Complete the sentence with the correct past participle: 'They have _______ (go) to the supermarket.'. good. gone. going. went.

What is a fundamental rule for all modal verbs in English?. They can be conjugated in gerund by adding '-ing'. They do not change their form according to the grammatical person (they do not have '-s' in the third person). They require the helper 'do' or 'does' to form questions. They should always be followed by the particle 'to' before the main verb.

The modal verb 'must' is used to express a strong obligation, often self-imposed or of utmost necessity. False. True.

Which of the following modal verbs is the most formal to ask permission?. Can. May. Think. Could.

If you want to give advice in a gentle way, suggesting a gentle possibility, which modal should you use?. Might. Must. Have to. Ought to.

What is a common mistake that students should avoid when using modal verbs?. Write 'He can to swim.'. Use the subject at the beginning of the sentence.

Fill in the blank to express an external obligation (rules): 'We _______ wear uniforms at school.'. have to. can. has to. might.

Ordene la frase correctamente: Paris visited have We three_times.

Une las columnas: Claudia. My parents. My pet has. You have studied. We have eaten sandwich last. My colleague has.