1. is increased
2. will be increased
3. would be increased
4. will increase
1. whether
2. in case
3. unless
4. perheps
1. would come
2. would have come
3. may have come
4. may come
1. I would be
2. I shall be
3. I will be
4. I were
1. should
2. would
3. could
4. might