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