1. They went to seaside last summer.
-> when did they go to seaside
2. Lan isn't as patient as Minh
-> Minh  is more patient than Lan
3. No one in my family is more bad-tempered than my father.
-> My father is the most   bad-tempered in my family 
4. This is the first time we have gone to school together.
-> We haven't gone to school together before 
5. It rained much. The grass grew fast.
-> The more It rained . the faster  The grass grew