Giúp em với mọi người ơii

1.Excuse me, is there a bus station near here? 

Excuse me + "," + Clause

2.Would you like to take part in our school's cleanup? 

Would you like + to V-inf +O

3.Trees help to keep the environment clean and green.

S+V+O

4.You can give old clothes and books to the local charity.

S+can+(not)+V-inf+O