$@Mốc$
Chú ý: + Cấu trúc if:
ĐKL1: If + S + V(htđ) , S + will/can/could/may/might/..... + V(nguyên thể)
+ Unless = If not.
$21.$ If he tries hard, he'll pass the examination.
$22.$ I could understand the French teacher if she speaks more slowly.
$23.$ If I finish the work in time, I will go to the football game.
$24.$ If you see Mary today, please ask her to call me.
$II$/
$1,$ If we don't start at once, we will be late
⇒ Unless we start at once, we will be late.
$2,$ If you don't study hard, you won't pass the exam.
⇒ Unless you study hard, you won't pass the exam.
$3,$ We will go for a picnic by the river tomorrow if it doesn't rain.
⇒ We will go for a picnic by the river tomorrow unless it rains.
$4,$ They won't come if you don't invite them.
⇒ They won't come unless you invite them.
$5,$ If I don't hear from you, I'll see you at two o'clock.
⇒ Unless I hear from you, I'll see you at two o'clock.
$7,$ We could eat at Siam Smile if they're not closed on a Monday.
⇒ We could eat at Siam Smile unless they're closed on a Monday.
$8,$ I'll make dinner if nobody else wants to.
⇒ Unless nobody else wants to, I won't make dinner.
$#chucbanhoctotnhe;333$
