Present perfect continuous

The students ______________ (use) computers in this school for several years.

• have be used

• have been using

• have use

How long  ______________ (you/study) electronics?

• have you be studying

• have you studying

• have you been studying

  The engineers ______________ (not/work) on this problem for long.

• have not been working

• has not been working

• hasn't been working

  My sister ______________  (make) a list of the things she wants for her birthday

• have been making

• has been making

• has be making

We ______________ (design) our ideal house, but we can’t agree about the colour scheme.

• has been designing

• have been designing

• haven't been designing

I don’t know where my tablet is. I hope my little brother ______________(not/play) games on it.

• hasn't been played

• haven't been playing

• hasn't been playing

Write questions, using the words given and putting the verb into the present perfect continuous

how long / study / this school

Write questions, using the words given and putting the verb into the present perfect continuous

how long / learn / English

Write questions, using the words given and putting the verb into the present perfect continuous

how long / live / here

Write questions, using the words given and putting the verb into the present perfect continuous

how long / do / this exercise