2 votes
Accepted

Why is it present perfect here?

In both of the fragments you enquire about, “Often in the notes and essays I have had to…” and “in this book at least this range has been my priority,” the author is conceiving of the writing of ...
Paul Tanenbaum's user avatar
2 votes

Tenses in subordinate clauses

The difference is that with present simple the clause refers to the time when the event starts, but with the present perfect version, it refers to the time when the event is finished. So your sentence ...
gotube's user avatar
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