English verb conjugation
CAN HICCUP

Regular verb: hiccup - hiccupped - hiccupped

Affirmation

Simple form	V-ing form
I can hiccup you can hiccup he can hiccup we can hiccup you can hiccup they can hiccup	I can be hiccupping you can be hiccupping he can be hiccupping we can be hiccupping you can be hiccupping they can be hiccupping
Perfect	V-ing perfect
I can have hiccupped you can have hiccupped he can have hiccupped we can have hiccupped you can have hiccupped they can have hiccupped	I can have been hiccupping you can have been hiccupping he can have been hiccupping we can have been hiccupping you can have been hiccupping they can have been hiccupping

Negation

Simple form	V-ing form
I can't hiccup you can't hiccup he can't hiccup we can't hiccup you can't hiccup they can't hiccup	I can't be hiccupping you can't be hiccupping he can't be hiccupping we can't be hiccupping you can't be hiccupping they can't be hiccupping
Perfect	V-ing perfect
I can't have hiccupped you can't have hiccupped he can't have hiccupped we can't have hiccupped you can't have hiccupped they can't have hiccupped	I can't have been hiccupping you can't have been hiccupping he can't have been hiccupping we can't have been hiccupping you can't have been hiccupping they can't have been hiccupping

Interrogative form

Simple form	V-ing form
can I hiccup? can you hiccup? can he hiccup? can we hiccup? can you hiccup? can they hiccup?	can I be hiccupping? can you be hiccupping? can he be hiccupping? can we be hiccupping? can you be hiccupping? can they be hiccupping?
Perfect	V-ing perfect
can I have hiccupped? can you have hiccupped? can he have hiccupped? can we have hiccupped? can you have hiccupped? can they have hiccupped?	can I have been hiccupping? can you have been hiccupping? can he have been hiccupping? can we have been hiccupping? can you have been hiccupping? can they have been hiccupping?

Interro-negative form

Simple form	V-ing form
can't I hiccup? can't you hiccup? can't he hiccup? can't we hiccup? can't you hiccup? can't they hiccup?	can't I be hiccupping? can't you be hiccupping? can't he be hiccupping? can't we be hiccupping? can't you be hiccupping? can't they be hiccupping?
Perfect	V-ing perfect
can't I have hiccupped? can't you have hiccupped? can't he have hiccupped? can't we have hiccupped? can't you have hiccupped? can't they have hiccupped?	can't I have been hiccupping? can't you have been hiccupping? can't he have been hiccupping? can't we have been hiccupping? can't you have been hiccupping? can't they have been hiccupping?