100 mistakes not to make

 86. Subordinate clause 

• Incorrect: I will call you when the dinner will be ready.

 • Correct: I will call you when the dinner is ready.

• Incorrect: They will come if you will invite them. 

• Correct: They will come if you invite them. 

When the verb in the main clause is in the future tense, the verb in the subordinate clause should be in the present and not in the future.