In Prepositions^x, Auxiliaries^x, Expressions^x

Alienvoord, I appreciate you're constructive criticism. Allow me to rebute:1) Comprehensible, yes. But many expressions are comprehensible even without being gramatically sound. The nuances I try to reveal in this post are to help you write better gramatically, not to sound or to write...

1. Use of present perfect tense and simple past tense Speakers of American English generally use the present perfect tense (have/has + past participle) far less than speakers of British English. In spoken American English it is very common to use the simple past tense as an alternative in...

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...