`1.` We are going to clean the lake's banks at the weekend.
`=>` Cấu trúc: S + am/is/are + going to + V + .....
`2.` They are going to plant flowers in the parks and water them every afternoon after class.
`=>` Như câu 1
`3.` We hope to give more green colour to the town and earn some money for our group.
`=>` Cấu trúc: hope + to V = hi vọng về cái gì đó
`4.` We raise funds by collecting waste paper and broken glasses.