When the third person singular is the subject, do all the following verbs have to use the third person singular Is the predicate in the third person singular or is all the verbs after the subject in the third person singular

When the third person singular is the subject, do all the following verbs have to use the third person singular Is the predicate in the third person singular or is all the verbs after the subject in the third person singular

When the third person singular is the subject, the predicate verb uses the singular. As for the form of the verb after the subject, it depends on whether the verb is the predicate. If it is the predicate, use the singular. If it is not the predicate, analyze the specific situation
e. Jane likes music. The subject Jane is the third person singular
Mary looks forward to receiving your letter