Present Tense

Rules:

1. When verb is four letter , harfu mudare will take damah.
2. When verb is three, five or six letter harfu mudare will take fatha. 

Examples:

3 Letters: جَلَسَ ==> يَجْلِسُ
4 Letters: أَصْلَحَ ==> يُصْلِحُ
5 Letters: اِقْتَرَبَ ==> يَقْتَرِبُ
6 Letters: اِسْتَخْرَجَ ==> يَسْتَخْرِجُ