B2 Grammar
B2 Grammar
Future perfect continuous
Future perfect continuous
Use:
Use the future perfect continuous to talk about an event that will be in progress for some time before a specified time in the future.
Janet will be really tired when we get home. She will have been looking after the children all day!
It can be used to make predictions about event that will be in progress before a specified time in the future.
Joe won’t mind that we are late. He won’t have been waiting long.
It can be used to predict what was happening in the past.
“What do you think the men were doing in the store room?”
“Don’t worry. They will have been unpacking boxes.”
Both the fixed future time and the length of time of are often mentioned in future perfect continuous sentences.
By the end of this week, I’ll have been working here for five months.
Fixed future time: the end of this week
Length of time: five months
But this is not always the case.
Anne will be in a bad mood at the party this evening because she’ll have been doing housework.
Form:
Positive and Negative
I
you
he / she it
we
they
will have
won’t have
been + verb-ing
Questions
Will
Won’t
I
you
he / she it
we
they
have
been + verb-ing?