Verb Tenses:Affirmative, Interrogative, Negative

 Present Simple   

1) Bob eats lunch at 12:00 p.m every day.                  
    Does Bob eat lunch at 12:00 p.m every day?
    Bob does not eat lunch at 12:00 p.m every day.


Past Simple   

2) Bob ate lunch yesterday.
   Did Bob eat lunch yesterday?
   Bob did not eat lunch yesterday.

Future Simple   

3) Bob will eat lunch tomorrow.
    Will Bob eat lunch tomorrow?
    Bob will not eat lunch tomorrow.

Present Continuous   
 4) Bob is eating lunch now.
     Is Bob eating lunch now?
     Bob is not eating lunch now.

Past Continuous  

5) Bob was eating lunch when his phone was ringing.
    Was Bob eating lunch when his phone was ringing?
    Bob was not eating lunch when phone was ringing.

Future Continuous  

6) Bob will be eating lunch tomorrow at 12:00 p.m.
   Will Bob be eating lunch tomorrow at 12: p.m?
   Bob will not be eating lunch tomorrow at 12: p.m.

Present Perfect Simple    

7) Bob has eaten lunch already.
  Has Bob eaten lunch yet?
  Bob has not eaten lunch yet.

Present Perfect Continuous  

8) Bob has been eating lunch for a long time.
   Has Bob been eating lunch for a long time?
   Bob has not been eating lunch for a long time.

Past Perfect   

9) Bob had eaten lunch by 11 a.m yesterday.
   Had Bob eaten lunch by 11 a.m yesterday?
   Bob had not eaten lunch 11 a.m yesterday.

Past Perfect Continuous  

10) Bob had been eating lunch for a long time when his phone rang.
     Had Bob been eating lunch for a long time when his phone rang?
    Bob had not been eating lunch for a long time when his phone rang.


Future Perfect   

11) Bob will have eaten lunch when Tara arrives tomorrow.
      Will Bob have eaten lunch when Tara arrives tomorrow?
      Bob will not have eaten lunch when Tara arrives tomorrow.

Future Perfect Continuous   

12) Bob will have been eating lunch for more then two hours by 1:30 p.m.
      Will Bob have been eating lunch for more then two hours by 1:30 p.m?
      Bob will not have been eating lunch for more then two hours by 1:30.