Future Perfect Continuous Tense
The Future Perfect Continuous tense is used for actions which will be in progress over a period of time that will end in future.
By next Christmas we shall have been living here for four years.
I will have been working for twenty years next July.
Future Perfect Tense
The Future Perfect Tense is used to talk about actions that will be completed by a certain future time.
I shall have written my book by then.
He will have left before you go to meet him.
By the end of this week I will have worked here for 10 years.
Future Continuous Tense:
It talks about actions which will be in progress at a time in the future.
I suppose it will be raining when the match starts.
This time tomorrow I will be with my family in Toronto.
We also use this tense to talk about actions in the future which are already planned or which are expected to happen in the normal course of things.
I will be staying here till the sun rises.
He will be meeting us next month.
The electrician will be coming soon.
Simple Future Tense:
Simple Future Tense is used to tell about things which we cannot control. It expresses the future as fact.
I shall be twenty next Month.
It will be Christmas in a week.
We will know our exam results in next two days.
We also use this tense to talk about what we believe will happen in the future. For example:
I think Australia will win the match today.
I’m sure you will get good grades in your exam.
Past Perfect Continuous Tense:
Past Perfect Continuous is used for an action that started before a certain point in the past and continued up to that time.
At that time he had been writing a movie script for three months.
When the new principle joined the school in 1999, Mr John had already been teaching there for five years.