who is known model semi model
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Answer:
Modal verbs are used to modify the meaning of lexical verbs to express notions such as ability, permission, possibility, necessity, obligation, advice, suggestion, or prediction.
Modal verbs are also called modal auxiliaries, and they are different from lexical verbs.
modals do not have non-finite forms (infinitive, present and past participle)
modals do not carry an 's in the 3rd person singular
- She can speak very good English
- He must work harder
- It will be sunny tomorrow.
they are followed by the infinitive form of a lexical verb.
They do not need any auxiliary to form negative or interrogative sentences.
- She couldn't phone you
- Will you go to the party?
English modal verbs are: CAN, COULD, MAY, MIGHT, MUST, SHALL, SHOULD, WILL AND WOULD
Apart from modal verbs, there are some other verbs or verb phrases that are known as semi-modals. They are called semi-modals because their function and meaning is similar to that of modals, but their form is different
English semi-modals are: BE GOING TO, BE ABLE TO, USED TO, OUGHT TO, HAVE TO, NEED TO
Unlike modals:
most of them carry the 's in the 3rd person singular.
She has to wake up early tomorrow
He is going to study law
they sometimes need auxiliaries to form the negative and interrogative forms
She doesn't have to wake up tomorrow
Do you need to do that?
some of them change form from present to past or future
I had to wake up early yesterday
I have to wake up early
I will have to wake up early next week.
Explanation: