Question

1 , User the Present Perfect Continuos or Past Perfect Continuos 

1 , It is midnight . I ( study ) .......................................... for five straight hours . No wonder I'm getting tired 

2 , It was midnight . I ( study ) ........................................ for five straight hours . No wonder I was getting tired

3 , Jack suddenly realized that the teacher was asking him a question . He couldn't answer because he ( daysdream ) ............................. for the last ten minutes 

Answer 1

I , User the Present Perfect Continuos or Past Perfect Continuos 

1 , It is midnight . I ( study ) have been studying for five straight hours . No wonder I'm getting tired 

2 , It was midnight . I ( study ) had been studying for five straight hours . No wonder I was getting tired

3 , Jack suddenly realized that the teacher was asking him a question . He couldn't answer because he ( daysdream ) had been daydeaming  for the last ten minutes 

Answer 2

1, It is midnight. I ( study ) ....................have been studying...................... for five straight hours. No wonder I'm getting tired 

2, It was midnight. I ( study ) ...................had been studying..................... for five straight hours. No wonder I was getting tired

3, Jack suddenly realized that the teacher was asking him a question. He couldn't answer because he ( daydream ) ...............had daydreamt.............. for the last ten minutes