1. If you would have (1)/ informed me I would have (2)/ immediately taken some (3)/ action against him (4)/ No error (5).

2. If I was you (1)/ I would have (2)/ first introduced him (3)/ to the guests (4)/ No error (5).

3. We are very eager (1)/ to know (2)/ who they elect (3)/ as their next president (4)/ No error (5).

4. In future whenever (1)/ I face such a problem (2)/ I get in touch (3)/ with you (4)/ No error (5).

5. She must had (1)/ completed her work (2)/ by now becasue (3) she is very punctual (4)/ No error (5).