The passive voice is rarely if ever used with present or past perfect continuous forms.
These two sentences are incorrect. Rewrite them in an active form.
1. That bridge has been being worked on for two weeks.
2. That paper had been being studied for two hours before he arrived.
1. We have been working on that bridge for two weeks.
ReplyDelete2. We had been studying that paper for two hours before he arrived.
1.They have been working on that bridge for two weeks.
ReplyDelete2. We had been studying that paper for two hours befor he arrived.
Sophie, Kee and Ong well done.
ReplyDelete1 They have been working on that bridge for two weeks.
ReplyDelete2 We had been studying that paper for two hours befor he arrived.
1 Workers have been working on that bridge for two weeks.
ReplyDelete2 Student have been studying that paper for two hours before he arrived.
1.The builders has been working on that bridge for two weeks.
ReplyDelete2.The student has been studying that paper for two hours berfore you arrived.