English verb conjugation
CAN DESULFERISE

Regular verb: desulferise - desulferised - desulferised

Affirmation

Simple form	V-ing form
I can desulferise you can desulferise he can desulferise we can desulferise you can desulferise they can desulferise	I can be desulferising you can be desulferising he can be desulferising we can be desulferising you can be desulferising they can be desulferising
Perfect	V-ing perfect
I can have desulferised you can have desulferised he can have desulferised we can have desulferised you can have desulferised they can have desulferised	I can have been desulferising you can have been desulferising he can have been desulferising we can have been desulferising you can have been desulferising they can have been desulferising

Negation

Simple form	V-ing form
I cannot desulferise you cannot desulferise he cannot desulferise we cannot desulferise you cannot desulferise they cannot desulferise	I cannot be desulferising you cannot be desulferising he cannot be desulferising we cannot be desulferising you cannot be desulferising they cannot be desulferising
Perfect	V-ing perfect
I cannot have desulferised you cannot have desulferised he cannot have desulferised we cannot have desulferised you cannot have desulferised they cannot have desulferised	I cannot have been desulferising you cannot have been desulferising he cannot have been desulferising we cannot have been desulferising you cannot have been desulferising they cannot have been desulferising

Interrogative form

Simple form	V-ing form
can I desulferise? can you desulferise? can he desulferise? can we desulferise? can you desulferise? can they desulferise?	can I be desulferising? can you be desulferising? can he be desulferising? can we be desulferising? can you be desulferising? can they be desulferising?
Perfect	V-ing perfect
can I have desulferised? can you have desulferised? can he have desulferised? can we have desulferised? can you have desulferised? can they have desulferised?	can I have been desulferising? can you have been desulferising? can he have been desulferising? can we have been desulferising? can you have been desulferising? can they have been desulferising?

Interro-negative form

Simple form	V-ing form
can I not desulferise? can you not desulferise? can he not desulferise? can we not desulferise? can you not desulferise? can they not desulferise?	can I not be desulferising? can you not be desulferising? can he not be desulferising? can we not be desulferising? can you not be desulferising? can they not be desulferising?
Perfect	V-ing perfect
can I not have desulferised? can you not have desulferised? can he not have desulferised? can we not have desulferised? can you not have desulferised? can they not have desulferised?	can I not have been desulferising? can you not have been desulferising? can he not have been desulferising? can we not have been desulferising? can you not have been desulferising? can they not have been desulferising?