I can gainsay you can gainsay she can gainsay we can gainsay you can gainsay they can gainsay
V-ing form
I can be gainsaying you can be gainsaying she can be gainsaying we can be gainsaying you can be gainsaying they can be gainsaying
Perfect
I can have gainsaid you can have gainsaid she can have gainsaid we can have gainsaid you can have gainsaid they can have gainsaid
V-ing perfect
I can have been gainsaying you can have been gainsaying she can have been gainsaying we can have been gainsaying you can have been gainsaying they can have been gainsaying
Negation
Simple form
I cannot gainsay you cannot gainsay she cannot gainsay we cannot gainsay you cannot gainsay they cannot gainsay
V-ing form
I cannot be gainsaying you cannot be gainsaying she cannot be gainsaying we cannot be gainsaying you cannot be gainsaying they cannot be gainsaying
Perfect
I cannot have gainsaid you cannot have gainsaid she cannot have gainsaid we cannot have gainsaid you cannot have gainsaid they cannot have gainsaid
V-ing perfect
I cannot have been gainsaying you cannot have been gainsaying she cannot have been gainsaying we cannot have been gainsaying you cannot have been gainsaying they cannot have been gainsaying
Interrogative form
Simple form
can I gainsay? can you gainsay? can she gainsay? can we gainsay? can you gainsay? can they gainsay?
V-ing form
can I be gainsaying? can you be gainsaying? can she be gainsaying? can we be gainsaying? can you be gainsaying? can they be gainsaying?
Perfect
can I have gainsaid? can you have gainsaid? can she have gainsaid? can we have gainsaid? can you have gainsaid? can they have gainsaid?
V-ing perfect
can I have been gainsaying? can you have been gainsaying? can she have been gainsaying? can we have been gainsaying? can you have been gainsaying? can they have been gainsaying?
Interro-negative form
Simple form
can I not gainsay? can you not gainsay? can she not gainsay? can we not gainsay? can you not gainsay? can they not gainsay?
V-ing form
can I not be gainsaying? can you not be gainsaying? can she not be gainsaying? can we not be gainsaying? can you not be gainsaying? can they not be gainsaying?
Perfect
can I not have gainsaid? can you not have gainsaid? can she not have gainsaid? can we not have gainsaid? can you not have gainsaid? can they not have gainsaid?
V-ing perfect
can I not have been gainsaying? can you not have been gainsaying? can she not have been gainsaying? can we not have been gainsaying? can you not have been gainsaying? can they not have been gainsaying?