IF CLAUSE (Câu điều kiện )
I Type 1 . Present possible :
will
If + S + present tense, S
+
+ V (bare inf.) shall
can
may
Ex : If the weather is fine, I will go for a picnic.
Ex : If she studies hard , she will pass the exam
II Type 2. Present unreal :
If + S + past tense ( V 2 ed or Were ) , S
+[r]