Put verbs in the blanket 

Cíu cíu,6h đi học òi mấy ní ơi

`1.` We can saves solar energy, we can leave natural resources.
`2.` If he is not negligent about it, he will have a lot of benefits.
`3.` If it does not rain soon, the crop will lose.
`4.` If those who do not have electricity cannot use household appliances.
`5.` Unless she studies hard, she will not pass the final exam.
`6.` If May knows English, you will walk into that international company but she doesn't.

Câu điều kiện loại `1:`
If + S +  V(s/es) + O, S +  will/can/... +  V_inf + O
Câu điều kiện loại `2:`
If + S + V-ed, S  + would/could/...+ V-inf + O
Câu điều kiện loại `3:`
If + S + had + Vpp/V-ed, S  + would/could/... + have + Vpp/V-ed + O

`21`. save - use

`22`. will have - isn't

`23`. doesn't rain - will lose

`24`. isn't - can not

`25`. studies - won't pass

`26`. knows - will work

`----------`

Dạng câu điều kiện loại `1`:

`-` Khẳng định: If + S + V(s/es), S + will/can + V-inf

`-` Phủ định: If + S + do/does + not + V-inf, S + will/can + V-inf

`->` Diễn tả hành động có thể xảy ra ở tương lai.