2
votes
2answers
1k views

perfect continuous or simple perfect in negative sentences

I want to know the difference between present perfect continuous and present perfect in negative sentences. My textbook says (namely, English Grammar In Use, 2nd edition) 'use simple for negative ...
-3
votes
2answers
417 views

“His hopes had not materialized”/“have not materialized”/“have not been materialized”

Which one is preferable in following sentence? His hopes of getting through the I.A.S. had not materialized till today's date. His hopes of getting through the I.A.S. have not materialized ...