I think it a good addition to our accounting system as it can serve as an audit and expenditure control device. I have a question about this sentence "I think it a good addition to.........." Is it a structure?Could anyone explain it to me?

..................were famous for their dramas. Sophecles was one of these. Excuse me,teachers I wonder why "these" is used here instead of them? Could anyone helpme?? Thank you

! Keron

HI I have somequestion about noun What are the differences between noun phrase and noun clause? Could anyone explain them to me? Thank you very much!

Hello everyone I have a very basic problem about the use of "a", "an" and "the". Every time I use them is just using them with intuition. And sometimes I see the sentenses below to + a/an/the + noun to + noun (without any articles) How

Teachers I have a question about the grammar use and my english is very poor I sometime saw the following words in some sentence would have been might have How can I know when I need to use "(might or would) +have" Thanks you