Chinese is tense-less language, so I just confuse about those two tense: I heard that you finally come to New York. I have heard that you finally come to New York. the first one is past tense. that ...
I was unable to find out the rules here and what is the difference: As yet, he has not received the package. As yet little was known of the causes of the disease.
In a menu title/button, does "have" need to be used? Is "1" okay or should "2" be used? 1) People who contacted you in the last 24 hours 2) People who have contacted you in the last 24 hours This ...