English verb conjugation
CAN DIFFUSE

Regular verb: diffuse - diffused - diffused

Affirmation

Simple form	V-ing form
I can diffuse you can diffuse he can diffuse we can diffuse you can diffuse they can diffuse	I can be diffusing you can be diffusing he can be diffusing we can be diffusing you can be diffusing they can be diffusing
Perfect	V-ing perfect
I can have diffused you can have diffused he can have diffused we can have diffused you can have diffused they can have diffused	I can have been diffusing you can have been diffusing he can have been diffusing we can have been diffusing you can have been diffusing they can have been diffusing

Negation

Simple form	V-ing form
I can't diffuse you can't diffuse he can't diffuse we can't diffuse you can't diffuse they can't diffuse	I can't be diffusing you can't be diffusing he can't be diffusing we can't be diffusing you can't be diffusing they can't be diffusing
Perfect	V-ing perfect
I can't have diffused you can't have diffused he can't have diffused we can't have diffused you can't have diffused they can't have diffused	I can't have been diffusing you can't have been diffusing he can't have been diffusing we can't have been diffusing you can't have been diffusing they can't have been diffusing

Interrogative form

Simple form	V-ing form
can I diffuse? can you diffuse? can he diffuse? can we diffuse? can you diffuse? can they diffuse?	can I be diffusing? can you be diffusing? can he be diffusing? can we be diffusing? can you be diffusing? can they be diffusing?
Perfect	V-ing perfect
can I have diffused? can you have diffused? can he have diffused? can we have diffused? can you have diffused? can they have diffused?	can I have been diffusing? can you have been diffusing? can he have been diffusing? can we have been diffusing? can you have been diffusing? can they have been diffusing?

Interro-negative form

Simple form	V-ing form
can't I diffuse? can't you diffuse? can't he diffuse? can't we diffuse? can't you diffuse? can't they diffuse?	can't I be diffusing? can't you be diffusing? can't he be diffusing? can't we be diffusing? can't you be diffusing? can't they be diffusing?
Perfect	V-ing perfect
can't I have diffused? can't you have diffused? can't he have diffused? can't we have diffused? can't you have diffused? can't they have diffused?	can't I have been diffusing? can't you have been diffusing? can't he have been diffusing? can't we have been diffusing? can't you have been diffusing? can't they have been diffusing?