Possible Duplicate: where should we use has/have been and had been? [Company] had spent previous years a few blocks away from the new location. This sentence uses "had spent", but to ...
I was talking to a Singaporean (English is her native language. I think, closer to American rather than British) friend. I learned in English class that you can use present perfect when there is a ...
Is the statement If I knew you're coming I wouldn't have come correct? Should we use If I had known you're coming, I wouldn't have come instead? Please consider American-British ...