must have + past participle

Would have + Past Participle

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Would have + Past Participle means we had a desire to do something, but the action didn’t take place or couldn’t accomplish in the past. Would have meaning in Past situations  Past indefinite/any past tense; otherwise, Subject + Would have + Past Participle + object. Or  Subject + Would have + Past Participle, but simple past I … Read more

Use of Must have

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Use of Must have Deduction or inference (a conclusion based on evidence and reasoning: It is used to denote an opinion of an earlier past situation.            Sub + must have + m.v.3 + obj. The truck driver must have seen the child. He was a novice at driving. He must have panicked when he … Read more