Both lines (must be or had to be [or have to be]) generally, but not always, imply that there is some evidence to the contrary of the fact being true. The actual truth (or the author's …
111. "Have had" is using the verb have in the present perfect tense. Consider the present tense sentence: I have a lot of homework. This means that I have a lot of homework now. On the …
To me, "had been" implies a change of state: The phone rang. I was asleep. (No implication of state change. Further sentences would clarify if the speaker woke up, or never heard it.) The phone …
James scored better because he used the right verb: had had, instead of just had. The sentence is not unlike the famous Buffalo sentence; it's a contrived example to show how many times a …
I have had letters delivered to me in the last week. The first (marked with an asterisk) is incorrect because it defines a specific time, and the form does not work with a specific time. It …
更多内容请点击:The use of "had to" - English Language & Usage Stack Exchange