Future perfect continuous

Future perfect continuous: 

What is Future perfect continuous? Future perfect continuous is one of the 12 kinds of tenses.

There are 12 kinds of tenses:

1= Present Indefinite.

2= Past Indefinite.

3= Future Indefinite.

4= Present Continuous.

5= Past Continuous.

6= Future Continuous.

7=  Present Perfect.

8= Past Perfect.

9= Future Perfect.

10= Present Perfect Continuous.

11= Past Perfect Continuous.

12= Future Perfect Continuous.

Use of Future perfect continuous: 

We use Future perfect continuous When any action is continue in Future for long period of time.

Structure:

Every tense or every structure has Structure because Structure is very important for making a sentence with the help of Structure you can make a correct sentence. In this Structure the first one is (SUBJECT) (Subject the action performer the person or people who performs the action) And The second one is (VERB) (Verb is an Action that work which shows Action). And the 3rd one is (OBJECT) (Object is that the one that is being worked on).

Subject + Will have been + Verb ((ING Form) + Object + since/for + Time. (P)

Subject + Will have been + Verb ((ING Form) + Object.+ since/for + Time.  (N)

Will + Subject + Have + been + Verb ((ING Form) + Object + since/for + Time? (I)

Will have been:

Will have been is the helping verbs of future Perfect continuous. It will be helpful for you to make positive, Negative and Interrogative sentences. When you will say any sentence and you will add Will have been and Verb's ING form on that sentence so it will show that you are talking about that action which will have been continue in Future for along time.

 Since/For:

Since/For we use these two words for showing the time For Ex: You are doing something for long period of time so you will add since/for on that sentence Now the question is where do we use since and where do we use For:

Since: Since we use for showing that time that can not be changed LIKE: If I say that. He has been watching T.V since 1  O'clock Now as long as He has been watching T.V But 1 o'clock will not be changed because From when has he been watching T.V.

For: For we use for showing that time that can be changed LIKE: If I say that He has been watching T.V for 2 hours Now if He will keep watching T.V 1 more hour so the time will be changed How because first of all we said that He has been watching T.V for 2 hours  Now if He will keep watching T.V 1 more hour so we will say that He has been watching T.V for 3 hours look the time has changed in first sentence we said 2 hours and now we are saying 3 hours so For we use for showing the time that can be changed.

Important Note About Verb (ing form):

You can see in structure that After Will have been we put verb's ing form. Every continues Tense we put verb's ing form. What is Verb's ing form. there are 3 form of verb 1st form, 2nd form, 3rd form. But in any continua tense we have to modifie 1st form of verb with ing for making any continuous sentence .LIKE; 

1= Run, Running  

2= Talk, Talking

3= say, saying

4= look, looking

5= give, giving

Example:

1= I will have been speaking.           

      I will not have been speaking.         

      Will I have been speaking?  

2= She will have been looking him for 15 mints.

      She will not have been looking him for 15 mints.

      Will she have been looking him for 15 mints? 

3= Robert will have been waiting for Bruce since morning. 

      Robert will not have been waiting for Bruce since morning.

      Will Robert have been waiting for Bruce since morning?

4= They will have been watching T.V since 1 o'clock. 

      They will not have been watching T.V since 1 o'clock.

      Will they  have been watching T.V since 1 o'clock?

5= She will have been applying makeup for 3 hours.

      She will not have been applying makeup for 3 hours.

      Will she have been applying makeup for 3 hours?