This power point about English Tenses is full of mistakes. I've downloaded it and then I realized how awful it was!!

1. Basic Forms of Tenses
&
Their Uses

2. Contents
Present Tense
Ø Simple Present Tense
Ø Present Continuous Tense
Ø Present Perfect Tense
Ø Present Perfect Continuous Tense
Past Tense
Ø Simple Past Tense
Ø Past Perfect Tense
Ø Past Continuous Tense
Ø Past Perfect Continuous Tense
Future Tense

3. Present Tense

4. Simple Present Tense
When something happens regularly
or is a permanent situation we
usually use the simple present
tense.
When using the simple present the verb
(with the exception of the auxiliary verbs
) remains in the dictionary form

5. Simple Present Tense
Examples:
The train to Berlin leaves every hour.
They travel to their country house every weekend.
The Queen of England lives in Buckingham Palace.

6. Present Continuous Tense
Continuous tenses are also
called progressive tenses. So the
present progressive tense is the same as
the present continuous tense.
subject+ auxiliary verb+ main
verb be base + ing
[am/is/are + present participle]

7. Present Continuous Tense
Examples:
Are you still watching TV?
I am studying to become a engineer.
She is loving this chocolate ice cream.
She loves this chocolate ice cream.
Incorrect
Correct

8. Present Perfect Tense
The English Present Perfect tense is used
to express actions which have already
been completed, or perfected, at the time
of speaking or writing.
Form:
[ has/have + past participle ]

9. Present Perfect Tense
Examples:
I have done the work.
She has answered half the questions.
In the first example, the use of the Present Perfect tense
emphasizes the fact that, at the time of speaking or writing,
the work has already been completed.
In the second example, the use of the
Present Perfect indicates that, at the time of speaking or
writing, half the questions have been
answered.

10. Present Perfect Continuous
Tense
Present perfect continuous tense is used
for an action which began at some time
in past and is still continuing.
Syntax:
Has/have + been + Present participle

11. Present Perfect Continuous
Tense
Examples:
He has been sleeping for 5 hrs.
James have been teaching at university since last year.
Sam has been having his car for 2 years.
Sam has had his car for 2 years.
Incorrect
correct

12. Past Tense

13. Simple Past Tense
This tense is usually used for those
actions which are already over.
It's syntax is given as:
(subject + V2 + object)
where V2 - second form of the verb

14. Simple Past Tense
Examples:
She lived in Tokyo for seven years.
They were in London from Monday to Thursday of last
week.
I went to all the art exhibitions I could.

15. Past Perfect Tense
It is used to express an action which has
occurred in past (usually, a long time ago)
and action which has occurred in past
before another action in past.
Syntax:
Subject + auxiliary verb + main verb
(past participle) + object

16. Past Perfect Tense
Examples:
 They had visited a doctor.
I had not finished my work last year.
It have not rained heavily last month.
It had not rained heavily last month
Incorrect
correct

17. Past Perfect Continuous Tense
It is used to express a continued or
ongoing action in past, an ongoing action
which occurred in past and completed at
some point in past.
Syntax:
Auxiliary verb + Subject + Main verb
(present participle) + object

18. Past Perfect Continuous Tense
For negative sentences in the past perfect
continuous tense, we insert not after the first
auxiliary verb. For question sentences, we
exchange the subject and first auxiliary
verb:
subject auxiliary
verb
auxiliary
verb
main verb
+ I had been working.
+ You had been playing tennis.
- It had not been working well.
- We had not been expecting her.
? Had you been drinking?
? Had they been waiting long?

19. Past Perfect Continuous Tense
Examples:
 Yadnya had been waiting for two hours when his
friend arrived.
Students had been asking for an off lecture before sir
scolded them.
We had'nt exposed to programming before joining
the IT Dept.
Incorrect
We had'nt been exposed to programming before
joining the IT Dept.
correct

20. Past Continuous Tense
In the Past Continuous tense, the action
was ongoing till a certain time in the
past. This tense is used to talk about an
action at a particular time in the past.
Syntax:
Subject + Auxiliary verb + main verb
(Present participle) + Object + Time reference

21. Past Continuous Tense
For positive sentences:
SUBJECT WAS / WERE VERB + ing REST OF THE
SENTENCE
I was sleeping at 11 p.m. last night.
You were sleeping at 11 p.m. last night.
He was sleeping at 11 p.m. last night.

22. Past Continuous Tense
Examples:
 I burned my finger while I was cooking breakfast.
I was practicing the guitar when he came home.

23. Future Tense

24. Simple Future Tense
It is used to express an action which has
not occurred yet and will occur after
saying or in future.
Syntax:
Subject + auxiliary verb + main verb
(present participle) + object

25. Simple Future Tense
Examples:
 He will start a business.
I will not give you a pen tomorrow.
When you will arrive tonight, we will go out for
dinner.
Incorrect
When you arrive tonight, we will go out for dinner.
correct

26. Future Continuous Tense
It is used to express a continued or an
ongoing action in future.
Syntax:
Subject + auxiliary verb + main verb
(present participle) + object

27. Future Continuous Tense
Examples:
 While I am finishing my homework, she is going to
make dinner.
You are going to be waiting for her when her plane
arrives tonight.
Jane will be being at my house when you arrive
Jane will be at my house when you arrive.
Incorrect
correct

28. Future Perfect Tense
It is used to express an action which will
occur in future and is thought to be
completed in future.
Syntax:
Subject + auxiliary verb + main verb
(past participle) + object

29. Future Continuous Tense
Examples:
 They will have completed the Presentation before
the deadline.
You are going to have perfected your English by the
time you come back from the U.S..
I am going to see a movie when I will have
finished my homework.
Incorrect
I am going to see a movie when I have finished my
homework.
correct

30. Future Perfect Continuous
Tense
It is used to express a continued or
ongoing action that will start in future
and is thought to be continued till
sometime in future.
Syntax:
Subject + Auxiliary verb + main verb
(Present participle) + Object + Time
reference

31. Future Perfect Continuous Tense
Examples:
The famous artist will have been painting the mural
for over six months by the time it is finished.
You will have been waiting for more than two hours
when her plane finally arrives.
Vidya will have been having his driver's license for
over two years.
Incorrect
Vidya will have had his driver's license for over two
years.
correct

32. Thank You !...