How to distinguish modal verbs in English and what are modal verbs in English

Divided into three categories1Conventional usage, all can be used, can, could, can be, could, could's tone is weak, must must be biased, shall seek the other party's opinion, table warning or used for legal provisions, hould ditto, weak tone, may form request, might ditto, weak tone; Should form obligation, should, and interrogative words are used in conjunction with the expression surprise, anger, doubt, ought to ditto, strong tone; Will express willingness or solicit advice to make a request, "persistence or determination", would be the same as above, and the tone is light; The semi-modal verbs need and dare can be used in affirmative sentences + to do, and in negative sentences need need + do can also be used

2. Used for table guessing (5) can and could are used for negative sentences, and the tone of could is weak, must>may>might, and they are used for affirmative sentences.

3. In the subjunctive mood, ought to, should, could, needn't, may, might.

The modal verb itself has a word meaning, and the verb form is added after it, and it is not used alone.

i can play basketball.

she will go to school tomorrow.

A modal verb is a verb that has a certain meaning in itself, indicating the mood, attitude, or tone of the speaker, but it cannot appear alone as a modal verb as a predicate, and the modal verb can only be followed by other verb archetypes. There are few modal verbs, and there are commonly used. can (could), may (might), must, need, ought to, dare (dared), shall (should), will (would) .

The modal verb itself has a certain meaning and can express the speaker's opinion or assumption about a certain action or state, such as "possibility, willingness, or doubt".

Modal verbs.

A modal verb is a verb that has a certain meaning of its own and expresses the mood, attitude or tone of the speaker, but it cannot be used as a predicate on its own, and can only be formed as a predicate with other verb forms.

There are not many modal verbs, but they are widely used, mainly as follows:

can(could),may(might),must,need,ought

to,dare

dared),shall

should),will

would)

Position of modal verbs:

The modal verb is placed before the predicate verb in the sentence, before the auxiliary verb if it is preceded by the predicate verb, and before the subject in the interrogative sentence.

Characteristics of modal verbs:

Modal verbs are not pronouns and number changes, the verb followed by the modal verb needs to be in the original form, and the negative form is added after the modal verb"not"。

Individual modal verbs are available in the present tense and the past tense, the past tense is used to express a more polite, euphemistic tone, the tense is not strong, and it can be used in the past, present, or future.