If you ____ early, you ____ the train.
If you ____ early, you ____ the train.
Explanation
"If you leave early, you will catch the train."
اگر آپ جلدی روانہ ہوئے تو آپ ٹرین پکڑ لیں گے۔
This structure uses the present tense in the if-clause and the future tense in the main clause.
It indicating a condition and its likely result.