In Present tenses^x, Definite articles^x, Grammar^x

Hi all!I've been giving English conversation lessons to a theology professor for about a year now. He's getting on in the years - a couple years from retirement - and his primary goal has been just to get his spoken English going a little stronger. His mother tongue is French but he's...

Just to clarify about the indefinite article: it's OK to say "stores and restaurants see sharp decline in sales" without the article when using the present tense; in fact it has the ring of a newspaper headline. On the other hand when using the gerund not using the article in this...

Hi, It depends on the context, but I think that in most cases you'd use #1. Your grammar is also a little awkward. The definite article suggests that you are talking about a specific policeman. The present tense suggests that you are describing his habits/routine. That all seems like...

WANG CHUN wrote: 1. Ancient and modern human beings use their great intelligence to invent machines that help people lead a comfortable and convenient life. My problem with this sentence is that it is not possible for ancient human beings to do anything any more, so using the present tense...