1. PRESENT
1.1. Simple: S+V(s/es)
1.1.1. The Earth orbits around the Sun => Truth, Fact
1.1.2. He gets up at 6am everyday => Habit
1.1.3. His train leaves at 5pm tomorrow => Schedule
1.2. Continuous: S+is/am/are+V-ing
1.2.1. He is walking home now => Happening action
1.2.2. I often go to school by bus. But, this week I am riding my bike. => Contemporary action
1.2.3. He always talking during lecture => Annoying habit
1.2.4. I am going to HCM city tomorrow => Planned action
1.3. Perfect: S+has/have+Vpp. RESULT
1.3.1. I have lived in Hanoi for 6 years => Started in the past ->now
1.3.2. She has written 3 books already => Action happens several times
1.3.3. I have been in USA before => Experience
1.3.4. I have just (recently/lately) finished my homework => Recent actions
1.4. Perfect continuous. CONTINUALITY
1.4.1. My dad has been working for this company since 2000 => Started in the past ->now -> future
1.4.2. I have been cleaning the house for 5 hours. I am very tired now. =>Results still in now
2. FUTURE
2.1. Simple
2.1.1. I will be 30 next year => Future fact
2.1.2. I will open it. =>instant decision
2.1.3. I promise I will do it tomorrow => promise, threats, predictions
2.2. Continuous: S+will be+Ving
2.2.1. This time next week, I'll be lying on the beach with friends => Action at a particular time in the future
2.3. Perfect: S+will have+Vpp
2.3.1. She will have gone when you reach the airport. => Completion of an action by a certain future time.
2.4. Perfect Continuous: S+will have been+Ving
2.4.1. By the end of next month, I'll have been working for this company for 6 years => Action represented as being in progress over a period of time that will end on the future.
3. PAST
3.1. Simple: S+Ved
3.1.1. VN got freedom in 1945 => past actions, habits, facts
3.1.2. I came home, turned on the lights, and went to bed after. => Series of completed actions.
3.2. Continuous: S+were/was+Ving
3.2.1. I were playing computer games at 8p.m last night => Action at a particular time in the past
3.2.2. As I were having lunch, my mum came back => interrupted actions
3.3. Perfect: S+had+Vpp
3.3.1. When my father checked, I had finished my homework. => Actions happened before another on the past
3.4. Perfect continuous: S+ had been+Ving
3.4.1. I had been doing my homework for 2 hours by the time my dad got home. => duration of past actions