Formula: Subject + base verb (+ s/es for he/she/it)
Use: Habits, facts, general truths, routines, permanent situations
• I work in an office. (permanent situation)
• She speaks three languages. (fact)
• The sun rises in the east. (general truth)
• I always drink coffee in the morning. (habit)
• The train leaves at 8 PM. (scheduled event)
💡 Signal words: always, usually, often, sometimes, never, every day, on Mondays
• I am reading a book right now. (happening now)
• She is staying with her friend this week. (temporary)
• They are meeting tomorrow. (future arrangement)
• The weather is getting colder. (changing situation)
💡 Signal words: now, right now, at the moment, today, this week, currently
📝 3. Present Perfect
Formula: Subject + have/has + past participle
Use: Life experiences (unspecified time), past actions with present results, actions continuing to present
• I have visited Paris. (life experience)
• She has lost her keys. (present result)
• They have lived here for 10 years. (continuing action)
• I have just finished my homework. (recent past)
💡 Signal words: ever, never, already, yet, just, for, since, recently, lately
📝 4. Present Perfect Continuous
Formula: Subject + have/has + been + verb-ing
Use: Actions that started in the past and continue to the present (focus on duration)
• I have been studying for 3 hours. (duration)
• She has been working here since 2018.
• They have been waiting for 30 minutes.
• I have been feeling tired lately.
💡 Signal words: for, since, all day, all week, lately, recently
📝 5. Past Simple
Formula: Subject + past tense verb (regular -ed or irregular)
Use: Completed actions in the past, past habits, sequences of events
• I visited Paris last year. (completed action)
• She watched TV yesterday evening.
• He arrived, ate dinner, and went to bed. (sequence)
• I always walked to school when I was young. (past habit)
💡 Signal words: yesterday, last week/month/year, ago, in 2010, when I was young
📝 6. Past Continuous
Formula: Subject + was/were + verb-ing
Use: Actions in progress at a specific past time, interrupted actions, background descriptions
• I was watching TV when you called. (interrupted)
• At 8 PM yesterday, I was eating dinner. (specific time)
• The sun was shining, and the birds were singing. (background)
💡 Signal words: when, while, at (time) yesterday, all day yesterday
📝 7. Past Perfect
Formula: Subject + had + past participle
Use: Action completed before another past action (the past in the past)
• I had already eaten when he arrived. (first: ate, second: arrived)
• She had finished her homework before dinner.
• They had left before I got there.
• I had never seen such a beautiful sunset.
💡 Signal words: already, just, never, ever, by the time, before, after
📝 8. Past Perfect Continuous
Formula: Subject + had + been + verb-ing
Use: Action in progress before another past action (focus on duration)
• I had been waiting for an hour when the bus finally arrived.
• She had been working there for 5 years before she quit.
• They had been driving for 3 hours when they stopped for coffee.
💡 Signal words: for, since, by the time, before, after, all day
• I think it will rain tomorrow. (prediction)
• I'll answer the phone! (spontaneous decision)
• I will help you with your homework. (promise)
• I'll make you some coffee. (offer)
💡 Signal words: tomorrow, next week/month/year, soon, later, in the future
📝 10. Future Continuous
Formula: Subject + will be + verb-ing
Use: Actions in progress at a specific future time
• At 8 PM tomorrow, I will be watching a movie.
• This time next week, I will be lying on the beach.
• Don't call me at 6 PM; I will be having dinner.
💡 Signal words: at (time) tomorrow, this time next week, when you arrive
📝 11. Future Perfect
Formula: Subject + will have + past participle
Use: Action that will be completed before a specific future time
• I will have finished the report by Friday.
• She will have arrived by the time you get there.
• They will have completed the project by next month.
💡 Signal words: by (time), by the time, before (future event), by then
📝 12. Future Perfect Continuous
Formula: Subject + will have been + verb-ing
Use: Duration of an action up to a specific future time
• By next year, I will have been working here for 10 years.
• By the time she arrives, I will have been waiting for 2 hours.
• Next month, they will have been living together for 5 years.
💡 Signal words: by (time), for, by the time, by then
📊 13. Complete Comparison Table
Tense
Formula
Example
Use
Present Simple
V1 (s/es)
She works.
habits, facts
Present Continuous
am/is/are + V-ing
She is working.
now, temporary
Present Perfect
have/has + V3
She has worked.
experience, result
Present Perfect Continuous
have/has been + V-ing
She has been working.
duration
Past Simple
V2 (-ed)
She worked.
completed past
Past Continuous
was/were + V-ing
She was working.
past in progress
Past Perfect
had + V3
She had worked.
past before past
Past Perfect Continuous
had been + V-ing
She had been working.
past duration
Future Simple
will + V1
She will work.
prediction, promise
Future Continuous
will be + V-ing
She will be working.
future in progress
Future Perfect
will have + V3
She will have worked.
completed by future
Future Perfect Continuous
will have been + V-ing
She will have been working.
future duration
✍️ 14. Practice Exercises
Exercise 1: Identify the tense
1. I have been studying for 3 hours. → ________
2. She will have finished by Friday. → ________
3. They were watching TV when I arrived. → ________
4. I had already eaten when he called. → ________
Exercise 2: Complete the sentences
1. I ______ (work) here since 2015.
2. She ______ (read) a book right now.
3. They ______ (leave) before I arrived.
4. By next year, I ______ (live) here for 10 years.
❓ Frequently Asked Questions
Q1.How many tenses are there in English?▼
English has 12 tenses: 4 present tenses, 4 past tenses, and 4 future tenses. Each time frame has simple, continuous, perfect, and perfect continuous forms.
Q2.What is the difference between Present Perfect and Past Simple?▼
Present Perfect connects the past to the present (I have visited Paris - experience, no specific time). Past Simple is for completed actions at a specific past time (I visited Paris in 2019).
Q3.When do I use Present Perfect Continuous vs Present Perfect?▼
Present Perfect Continuous focuses on the duration of an action that started in the past and continues now (I have been studying for 3 hours). Present Perfect focuses on the result or completion (I have finished my homework).