The present has one tense, ενεστώτας (enestOtas), which is something that is happening now or a habit. ex. Something happening now: Παίζω με το κατοικίδιό μου. (pEzo me to katikIthiO mou **capital i and th as from than**) I am playing with my pet. ex. 2 A habit: Παίζω με το κατοικίδιό μου κάθε μέρα. (pEzo me to katikIthiO **capital i and th as from than** mou kAthe **with th as from than** mEra.) I play with my pet everyday. The past has four tenses: 1. αόριστος (aOristos), which is something that happened once. ex. Έπαιξα με το κατοικίδιό μου. (Epexa me to katikIthiO **capital i and th as from than** mou.) I played with my pet. 2. παρατατικός (paratatikOs), which is for something that was happening for long or a habit that you don't have anymore (like used to) ex. Something that was happening: Έπαιζα με τα παιδιά. (Epeza me ta pethiA **th as from than**) I was playing with the kids. ex. A habit: Έπαιζα με τα παιδιά κάθε μέρα. (Epeza me ta pethiA **with th as from than** kAthe **with th as from than** mEra.) I used to play with the kids everyday. 3. παρακείμενος (parakImenos with capital i), which is something that you did before what you are doing now, sometimes you can use aOristos as well in this case, but this is the right one. ex. Έχω τελειώσει τα μαθήματά μου. (Eho teliOsi ta mathImatA **capital I** mou.) I have finished my homework. (I finished my homework and now I am doing something else, like playing.) 4. υπερσυντέλικος (ipersidElikos), which is something that happened before something that is now done ex. Είχα τελειώσει τα μαθήματά μου πριν παίξω έξω. (Iha **capital i** teliOsi ta mathImatA mou prin pExo Exo.) I had finished my homework before playing outside. (I finished my homework, I played outside, I dont play anymore.) And the future has three tenses: 1. συνοπτικός (sinoptikOs), when you will do something for a little time, not for long. ex. Θα παίξω. (tha **with th as from than** pExo.) I will play. I will continue in another comment..