Would
If he were you he would not do it.
No, the modal "must" would not be correct, because this verb does not have a past tense form, as is required by the context of the sentence. Instead, the modal "should" can be used, or a passive form, "were required" or "were obliged" can be used.
Examples of an appropriate modal verbs are:he can not do it;he could not do it;he must not do it;he should not do it;he will not do it;he would not do it.
does is not a modal verb
it is very suitable that
The verb in the sentence is: will wiltThe main verb is 'wilt'.The modal auxiliary verb is 'will', which shows us the sentence is about the future.
can is modal auxiliary verb. In the above sentence it expresses ability. Can can also express possibility and permission.
would like to see = modal + verb + to + verb
The student had total admiration for his role modal.
Ought is a modal auxiliary verb. The "to" is part of an infinitive (to + base form of a verb). ought to go ought to have ought to see
No. Modal is an adjective and not a verb so nobody can modal anything.
see would like to see = modal + verb + to + verb
would like to see = modal + verb + to + verb