`#eh h`

`1.` They ask how they can help the community

`-` Ta thấy: ''the volunteers'' là N số nhiều nên ta có thể thay thế thành ''they''

`-` Công thức chung: S + V + O

`2.` We don't know what to decide about the local council issues

`-` S + don't/doesn't + V + O

`3.` If you're feeling unwell, you should consider seeking medical advice

`-` If + S + V + O, S + should/shouldn't + V-inf + O

`4.` Many volunteers contributed to the development of the community and helped the people in their area

`-` S + V-ed/2 + O