In Present tenses^x, Pronouns^x, Expressions^x

This gives me strength to face the busy day lies ahead.This is not correct. The relative pronoun that (or which) cannot be omitted when it is the subject of its clause. It has to be "busy day that lies ahead". However, if the relative pronoun subject is followed by a form of the verb to...

Just change it into "I must go" - then it's easier to analyze: "go" here is the full verb that is in its infinitive and follows the modal auxiliary must - without to! I have to go: "have to" is the substitute form for "must", "go" again is the full verb in its infinitive. "Have to" here is a...