Directions: Choose the sentence which makes appropriate use of verbs given in the brackets.
I (tell) you the secret, if you (promise) not to share it.
1
I (will tell) you the secret, if you (promise) not to share it.
2
I (telling) you the secret, if you (promise) not to share it.
3
I (tell) you the secret, if you (promises) not to share it.
4
I (will tell) you the secret, if you (promised) not to share it.