Future Perfect Continuous Tense | English Language & Comprehension for SSC CGL PDF Download

The Future Perfect Continuous tense looks at the past from the future.

How to make the Future Perfect Continuous Tense?

The structure of the Future Perfect Continuous tense is:

In constructing negative sentences in the Future Perfect Continuous tense, "not" is placed between "will" and "have." In forming question sentences, there is an interchange of the subject and "will." 

Look at these example sentences with the Future Perfect Continuous:

Contraction with Future Perfect Continuous

In speaking with the Future Perfect Continuous tense, we often contract the subject and WILL:

• I'll have been driving for five hours.
• She'll have been watching TV.

In negative sentences, we may contract with won't, like this:

• You won't have been drinking, will you?
• We won't have been driving for long.

How do we use the Future Perfect Continuous Tense?

The Future Perfect Continuous tense resembles the Future Perfect tense, but it denotes extended actions or states that will persist until a particular event or time in the future.

• Ram starts waiting at 9am. I am late and cannot arrive before 10am. Ram will have been waiting for an hour by the time I meet him.

Notice that the long action or state can start at any time in the past, present or future, but of course it always ends in the future.

Look at these examples:

• He'll be tired when he gets here. He'll have been travelling all day.
• How long will Jo have been working when he retires?
• Next month I'll have been studying Chinese for two years.
• Will you have been working when I arrive?
• He won't have been studying long enough to qualify.
• Next week Jane is going to swim from England to France. By the time she gets to France she'll have been swimming non-stop for over thirteen hours.