`1`. He will remember the skills better if he practices frequently.

`2`. If it rains, the match will be postponed.

`3`. You won't be able to sleep if you play this horror game.

`4`. I will go shopping with Jim if I have free time.

`5`. If you are hungry, eat the cake in the fridge.

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`***` Câu điều kiện loại `1`:

   If/Unless + S + V(-s/es), S + will/modal verbs + V-inf

   S + will/modal verbs + V-inf + if/unless + S + V(-s/es)

`-` Mệnh lệnh: If + S + V(-s/es), V-inf

`***` Cấu trúc khác:

`1`. Bị động TLĐ: S + will be + V-pII + (by O)