ذَهَبَ الطَّالِبُ إِلَى الْمَسْجِدِ — The student went to the mosque.
يَذْهَبُ الطَّالِبُ إِلَى الْمَسْجِدِ — The student goes to the mosque.
نَجَحَ الطَّالِبُ — The student succeeded.
يَنْجَحُ الطَّالِبُ — The student succeeds.
رَجَعَ حَامِدٌ مِنَ السُّوقِ — Hamid returned from the market.
يَرْجِعُ حَامِدٌ مِنَ السُّوقِ — Hamid returns from the market.