Page 58 - Grammar- 10

Future Perfect Continuous Tense
T Positive Statement - Buddha will have been drawing a picture.
4
E Interrogative Statement - S+will/shall+been+v +O
Will Buddha have been drawing a picture?
N Will/ Shall+S+have been+v +O?
4
Wh-word - When will you have been drawing a picture?
S Wh-word+shall/will+S+have been+v +O?
4
E Negative - Buddha won’t have been drawing a picture.
S+will/shall+not have been+v +O
4
Will Buddha not have been drawing a picture?
Interrogative Negative - Will/shall+S+not+have been+v +O?
4
In a single sentence, we might have to use different tenses depending upon the
meaning we want to convey. The table below shows the combination of possible
tenses in a sentence.

1 If the verb in the principal clause
is in the present or future tense, the a) We know how you behave.
verb in the subordinate clause can be b) We know how you behaved.
in any tense, present, past or future- c) We know how you will behave.
according to the sense to be conveyed
2 If the verb in the principal clause is in the a) We knew that Rani was a clever girl.
past tense, the verb in the subordinate b) They promised that they would help us.
clause must be in one of the past tenses. c) Nobody told what had happened.
3 If the two actions happened one after a) We had seen many cities before we
the other in the past, the simple past is returned from America.
used in one clause and the past perfect b) When we reached the station, the
in the other. train had already left.
4 When the two actions took place in
the past at the same time, or if one
caused the other, simple past tense is When the cat came, the rat left.
used for both the actions.
5 We should use past continuous tense
for the action that was in progress, and
simple past tense for the action which We were reading when he came.
took place in between. But if both the
action were in progress parallelly, we
use past noncontinuous for both. While I was singing, they were dancing.

Sanjiwani English Grammar & Composition Book 10 54