Modal Verbs

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Modal Verbs por Mind Map: Modal Verbs

1. Have to

1.1. Used to express certainty, necessity, and obligation.

1.1.1. Affirmative: subject + have/has to + verb

1.1.1.1. I have to study for the exam

1.1.2. Question: Do/does + subject + have to + verb + ?

1.1.2.1. Does she have to study?

1.1.3. Negative: subject + don't/doesn't have to + verb

1.1.3.1. I don't have to study for the exam

2. Ought to

2.1. Used to advise or make recommendations.

2.1.1. Affirmative: subject + ought to + verb

2.1.1.1. You ought to stop smoking

2.1.2. Negative: subject + ought not/oughtn't + verb

2.1.2.1. You ought not smoke so much

2.1.3. Question: ought + subejct + verb + ?

2.1.3.1. Ought I stop smoking here?

3. Can

3.1. The verb 'Can' belongs to modal verbs and is located before the main verb in infinitive.

3.1.1. Affirmative: Subjet + Can + Verb

3.1.1.1. Mary can be very stubborn sometimes.

3.1.2. Negative: Subjet + Can not /Cannot/ Can't + Verb

3.1.2.1. You can't tell me what to do.

3.1.3. Interrogative: Can + Subjet + Verb

3.1.3.1. Can Peter speak German?

4. Could

4.1. Used to express ability in the past and to express politeness.

4.1.1. Affirmative: Subjet + Could + Verb

4.1.1.1. I could talk louder.

4.1.2. Negative: Subjet + Couldn't + Verb

4.1.2.1. I couldn’t talk louder.

4.1.3. Interrogative: Could + Subjet + Verb

4.1.3.1. Could you talk louder?

5. Might

5.1. The Might auxiliary verb is used to express possibility. It is a possibility or present or future, and the verb that follows is infinitive.

5.1.1. Affirmative: subject + might + verb

5.1.1.1. I might lose my job.

5.1.2. Negative: subject + might not + verb

5.1.2.1. We might not know everything.

5.1.3. Question: might + subejct + verb + ?

5.1.3.1. Might I give you a piece of advice?

5.1.4. Have: subject + might + have + participle

5.1.4.1. They might have arrived now

6. May

6.1. The verb 'MAY is used to express a certain degree of probability of an action or certainty:

6.1.1. Affirmative: subject + may + verb

6.1.1.1. You may ask three questions.

6.1.2. Negative: subject + may+ verb

6.1.2.1. I may not come next week.

6.1.3. Question: may + subejct + verb + ?

6.1.3.1. May I go to the bathroom?

6.1.4. Have: subject + may + have + participle

6.1.4.1. I may have done something wrong