`1,` If you turn off all the lights, you won't pay more money.

`2,` If she wears warm clothes, she won't have a cold.

`3,` If you are careful, you may not have an accident.

`4,` If you phone your parents, you won't have trouble.

`5,` If she doesn't whisper, everyone knows what she is saying.

`6,` If you stay here, you will feel safe.

`7,` If you don't pay the electricity bill today, your electricity will be cut off.

`----`

${\text{Giải thích: }}$

`-` Câu đk loại `1`: If `+` S `+` V(s/es)/ V0 `+`…., S `+` will `+` V0...

`+` Có thể xảy ra ở hiện tại hoặc tương lai . 

`Answer + Explai n :`

`1.` If you turn off all the lights, you won't pay more money.

`2.` If she wears warm clothes, she won't have a cold.

`3.` If you are careful, you may not have an accident.

`4.` If you phone your parents, you won't have trouble.

`5.` If she doesn't whisper, everyone knows what she is saying.

`6.` If you stay here, you will feel safe.

`7.` If you don't pay the electricity bill today, your electricity will be cut off.

$------------$

`-` Cấu trúc If điều kiện loại `1 :` 

`->` If `+` S `+` V(s/es), S `+` will/can/shall `+` V(nguyên mẫu)