INVERSION IN FIRST CONDITIONAL

If you need some more money, take an extra 200.

--> (a)   , take an extra 200.

If my girlfriend calls, please let me know right away.

--> (a)   , please let me know right away.

If he has free time, he’ll play tennis

--> (a)   , he’ll play tennis

If you study hard , you will pass the exams.

--> (a)   , you will pass the exams

if she borrows my money, she will give it back

--> (a)   , she will give it back

If she earns a lot of money, she will fly to New York

--> (a)   , she will fly to NY

If Mary says something to him, he won't be angry

--> (a)   , he won't be angry

If our teacher keeps silent, the students will be worried

--> (a)   , the students will be worried