I could adjust you could adjust he could adjust we could adjust you could adjust they could adjust
V-ing form
I could be adjusting you could be adjusting he could be adjusting we could be adjusting you could be adjusting they could be adjusting
Perfect
I could have adjusted you could have adjusted he could have adjusted we could have adjusted you could have adjusted they could have adjusted
V-ing perfect
I could have been adjusting you could have been adjusting he could have been adjusting we could have been adjusting you could have been adjusting they could have been adjusting
Negation
Simple form
I could not adjust you could not adjust he could not adjust we could not adjust you could not adjust they could not adjust
V-ing form
I could not be adjusting you could not be adjusting he could not be adjusting we could not be adjusting you could not be adjusting they could not be adjusting
Perfect
I could not have adjusted you could not have adjusted he could not have adjusted we could not have adjusted you could not have adjusted they could not have adjusted
V-ing perfect
I could not have been adjusting you could not have been adjusting he could not have been adjusting we could not have been adjusting you could not have been adjusting they could not have been adjusting
Interrogative form
Simple form
could I adjust? could you adjust? could he adjust? could we adjust? could you adjust? could they adjust?
V-ing form
could I be adjusting? could you be adjusting? could he be adjusting? could we be adjusting? could you be adjusting? could they be adjusting?
Perfect
could I have adjusted? could you have adjusted? could he have adjusted? could we have adjusted? could you have adjusted? could they have adjusted?
V-ing perfect
could I have been adjusting? could you have been adjusting? could he have been adjusting? could we have been adjusting? could you have been adjusting? could they have been adjusting?
Interro-negative form
Simple form
could I not adjust? could you not adjust? could he not adjust? could we not adjust? could you not adjust? could they not adjust?
V-ing form
could I not be adjusting? could you not be adjusting? could he not be adjusting? could we not be adjusting? could you not be adjusting? could they not be adjusting?
Perfect
could I not have adjusted? could you not have adjusted? could he not have adjusted? could we not have adjusted? could you not have adjusted? could they not have adjusted?
V-ing perfect
could I not have been adjusting? could you not have been adjusting? could he not have been adjusting? could we not have been adjusting? could you not have been adjusting? could they not have been adjusting?