Put the correct forms of the verb in brackets

Ex3. Put the correct forms of the verb in brackets
1. I've decided (stop) ___________________ smoking
2. I (visit) ___________________ Singapore two years ago.
3. Look at those black clouds . It (rain) ___________________
4. They are tired of (work) ___________________ for low salary.
5. This is the second time you (break) ___________________ a cup
6. Neither my brother nor my sisters (like)_________________ my picture
7. Both the students and the teacher (join)___________________ the activity.