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The verb after a since clause of time is generally in the present perfect tense.
After the auxiliary does use the infinitive without to, and not the third person of the present.
The answer to a question beginning with Does is always in the present tense, third person: Does he like the cinema? - Yes, he likes the cinema; or Yes, he does.
Use the present tense of wish to express a present meaning, followed by a that clause containing a past tense.
After the verbs can, must, may, shall, and will, use the infinitive without to , and not the third person of the present.
Don't use must and ought to as past tenses. To express a past duty (which wasn't done) use the perfect infinitive without to after ought to or should, or expressions such as had to, was obliged to.
In indirect speech use must and ought to as past tenses: He said he must do it.