1. Unit - 4 Activity - 15 Competency level - 8.5
Unit 04- For a better tomorrow.
Grade 11 - English
Unit - 4 Activity - 15
Competency level - 8.5
Uses perfect tense appropriately.

2. First lets see the tenses in English language.
Unit 04- For a better tomorrow.
Grade 11 - English
First lets see the tenses in English language.
Present tense.
Simple present tense.
Present continuous tense.
Present perfect tense.
Present perfect continuous tense.
Past tense.
Simple past tense.
Past continuous tense.
Past perfect tense.
Past perfect continuous tense.

3. Future continuous tense. Future perfect tense.
Unit 04- For a better tomorrow.
Grade 11 - English
Future tense.
Simple future tense.
Future continuous tense.
Future perfect tense.
Future perfect continuous tense.

4. S + has + verb past participle +object have eat ate eaten drink drank
Unit 04- For a better tomorrow.
Grade 11 - English
Present perfect tense.
S + has + verb past participle +object
have
stem
past
Past participle
eat
ate
eaten
drink
drank
drunk
Sing
sang
sung
write
wrote
written
Read
read
Play
played
Played

5. We use present perfect tense
Unit 04- For a better tomorrow.
Grade 11 - English
We use present perfect tense
To indicate completed action in the immediate past.
e.g.:
He has just opened the door.
They have just cleaned the room.

6. We use present perfect tense
Unit 04- For a better tomorrow.
Grade 11 - English
We use present perfect tense
2. To express past actions -
time is not given and not
definite;
e.g.
Have you read “Madol
Doowa”?
Wathsala has been to
Japan.

7. We use present perfect tense
Unit 04- For a better tomorrow.
Grade 11 - English
We use present perfect tense
3. To describe past events when we think more of their effect in the present than of the action itself.
e.g.
Evin has eaten all the biscuit. (i.e. there aren’t any left for you)
I have finished my work. (Now I’m free)

8. We use present perfect tense
Unit 04- For a better tomorrow.
Grade 11 - English
We use present perfect tense
4. To denote an action began in the past and continuing up to the present moment.
e.g.
He has been ill for two days.
I have known him for a long time.

9. Time line Past Future Now Unit 04- For a better tomorrow.
Grade 11 - English
Time line
Past
Future
Now

10. Unit 04- For a better tomorrow.
Grade 11 - English
Now it’s your turn.

11. Question 1 Select the correct answer for the blank. 1. Children ……
Question 1 Select the correct answer for the blank. 1. Children ……. (has/have) arranged the class. 2. Romesh …….. (has /have) brought the register. 3. (Has/Have) they finished the work?

12. Question 1 - Answers. Select the correct answer for the blank. 1
Question Answers. Select the correct answer for the blank. 1. Children ……. (has/have) arranged the class. 2. Romesh …….. (has /have) brought the register. 3. (Has/Have) they finished the work?

13. Unit 04- For a better tomorrow.
Grade 11 - English

14. He has not opened the door.
Unit 04- For a better tomorrow.
Grade 11 - English
Now lets see the negative , interrogative and negative interrogative of present perfect.
Singular
He has opened the door.
He has not opened the door.
Has he opened the door?
Hasn’t he opened the door?

15. They have cleaned the room.
Unit 04- For a better tomorrow.
Grade 11 - English
Plural
They have cleaned the room.
Have they cleaned the room?
They have not cleaned the room.
Haven’t they cleaned the room?

16. Present perfect continuous tense.
Unit 04- For a better tomorrow.
Grade 11 - English
Present perfect continuous tense.
S + has + been + verb present participle +object
have
e.g.
He has been cleaning the classroom.
They have been playing for six hours.

17. Unit 04- For a better tomorrow.
Grade 11 - English
We use the Present Perfect Continuous to show that something started in the past and is still continuing.

18. I have been living in Ratnapura for 20 years
Unit 04- For a better tomorrow.
Grade 11 - English
Time line
Past
Future
Now
I have been living in Ratnapura for 20 years

19. You can also use the Present Perfect Continuous WITHOUT a duration
Unit 04- For a better tomorrow.
Grade 11 - English
You can also use the Present Perfect Continuous WITHOUT a duration
Recently, I have been feeling
 really tired.
Have you been exercising lately?
A:Why are your clothes wet?
B:I have been watering the garden.

20. Thilak has been having his car for two years. Not Correct
Unit 04- For a better tomorrow.
Grade 11 - English
Remember
Thilak has been having his car for two years. Not Correct
Thilak has had his car for two years. Correct

21. Unit 04- For a better tomorrow.
Grade 11 - English
Now it’s your turn.

22. We …………. (wait) here for half an hour. Still the bus didn’t come.
Unit 04- For a better tomorrow.
Grade 11 - English
Question - 2
Fill in the blanks.
We …………. (wait) here for half an hour. Still the bus didn’t come.
………………. (smoke) ? I feel the smell of smoke.

23. Have you been smoking (smoke) ? I feel the smell of smoke.
Unit 04- For a better tomorrow.
Grade 11 - English
Answers.
We have been waiting (wait) here for half an hour. Still the bus didn’t come.
Have you been smoking (smoke) ?
I feel the smell of smoke.

24. Unit 04- For a better tomorrow.
Grade 11 - English

25. Now lets see past perfect and past perfect continuous.
Unit 04- For a better tomorrow.
Grade 11 - English
Now lets see past perfect and past perfect continuous.
S + had + verb past participle +object
He had written the essay.
He had been writing the essay.
S + had + been + verb present participle +object

26. Lets see the occasions we use past perfect.
Unit 04- For a better tomorrow.
Grade 11 - English
Lets see the occasions we use past perfect.
The past perfect describes an action completed before a certain moment in the past.
When I came to the class, the children had cleaned the class.

27. Children had cleaned the classroom.
Unit 04- For a better tomorrow.
Grade 11 - English
Time line
point
Past
before
past
Past
Future
Now
Children had cleaned the classroom.

28. When I reached the station, the train had left.
Unit 04- For a better tomorrow.
Grade 11 - English
Some more examples.
When I reached the station, the train had left.
I had written the essay before he arrived.

29. Now lets see past perfect continuous.
Unit 04- For a better tomorrow.
Grade 11 - English
Now lets see past perfect continuous.
S + had been + verb present participle +object
They had been cleaning the classroom.

30. The past perfect continuous is used for an action that began before a certain point in the past and continued up to that time.

31. Children had been cleaning the classroom.
Unit 04- For a better tomorrow.
Grade 11 - English
Time line
point
Past
before
past
Past
Future
Now
Children had been cleaning the classroom.

32. He had been sleeping for 6 hours. She had been writing the essay.
Unit 04- For a better tomorrow.
Grade 11 - English
Some more examples.
He had been sleeping for 6 hours.
She had been writing the essay.
He had been working in an office.

33. Unit 04- For a better tomorrow.
Grade 11 - English
Now it’s your turn.

34. Question - 3 Fill in the blanks.
Unit 04- For a better tomorrow.
Grade 11 - English
Question - 3
Fill in the blanks.
The past perfect continuous is used for an …………. that began before a …………….. ……………. in the …… and continued up to that time.

35. Unit 04- For a better tomorrow.
Grade 11 - English
Answers
The past perfect continuous is used for an action that began before a certain point in the past and continued up to that time.

36. Unit 04- For a better tomorrow.
Grade 11 - English

37. Unit 04- For a better tomorrow.
Grade 11 - English
Thank you.