=>

2. Because there are too many sick people, there aren't enough beds in hospital.

-> because S V: bởi vì

3. Because it rained heavily, we cancelled the football match.

-> because S V: bởi vì

4. People should have only one or two children.

-> should V: nên làm gì

2. Because there are too many sick people, there aren't enough beds in the hospital

=> because + mệnh đề, mệnh đề = mệnh đề, so + mệnh đề: bởi vì...nên...

3. Because it rained heavily, we cancelled the football match

tương tự 2

4. People should have only one or two children

should + Vinf: nên làm gì