In Numbers^x, Present perfect^x, Nouns^x

. I suppose that you want your sentences PARSED. I'm not going to do all of them for you. I'll do the first one: Where -- adverb are -- linking verb, simple present you -- pronoun subject I -- pronoun subject 've been waiting -- verb, present perfect progressive for -- preposition 2...

i. Our basketball team tried hard but was defeated in the long run. Nobody could say anything. "All that can be done has been done ," said the coach. can I change it to "had been done"? As I think it is a past event .-- No. It is not a past event. Be carefula bout can and has done. It is...

WANG CHUN wrote: 1. A ncient 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...