$Answer:$

`2.` If he doesn't do his driving test now, Kevin will fail.

`3.` If we stayed at a hotel, it would cost too much.

`4.` 

`=>` If she doesn't leave her job, she won't get another one.

`=>` If she leaves her job, she will get another one.

`5.` If we invited Ben to the party, we would have to invite his friends too.

`6.` 

`=>` If I tell him what happened, he will believe me.

`=>` If I don't tell him what happened, he won't believe me.

$Explain:$

`@` Câu điều kiện loại `1:`

If + S + V(hiện tại) + O..., S + will + V_nguyên thể + O...

`@` Câu điều kiện loại `2:`

If + S + V(quá khứ) + O..., S + would + V_nguyên thể + O...

$#Hoidap247$
$@Angelinazuize$

Đáp án:

`2,` If he doesn't do his driving test now, Kevin will fail.

`3,` If we stayed at a hotel, it would cost too much.

`4,`  If she doesn't leave her job, she won't get another one.

`5,` If we invited Ben to the party, we would have to invite his friends too.

`6,` If I don't tell him what happened, he won't believe me.

Giải thích:

- Câu điều kiện loại I `:` If + S + V (s / es)`,`S + will / can / may / shall + V

`->` Diễn tả sự việc có thật ở hiện tại

- Câu điều kiện loại II `:` If + S + V2 / V-ed`,`S + would / could / might + V

`->` Diễn tả sự việc không có thật ở hiện tại