English verb conjugation
CAN GUARANTEE

Regular verb: guarantee - guaranteed - guaranteed

Affirmation

Simple form	V-ing form
I can guarantee you can guarantee he can guarantee we can guarantee you can guarantee they can guarantee	I can be guaranteeing you can be guaranteeing he can be guaranteeing we can be guaranteeing you can be guaranteeing they can be guaranteeing
Perfect	V-ing perfect
I can have guaranteed you can have guaranteed he can have guaranteed we can have guaranteed you can have guaranteed they can have guaranteed	I can have been guaranteeing you can have been guaranteeing he can have been guaranteeing we can have been guaranteeing you can have been guaranteeing they can have been guaranteeing

Negation

Simple form	V-ing form
I can't guarantee you can't guarantee he can't guarantee we can't guarantee you can't guarantee they can't guarantee	I can't be guaranteeing you can't be guaranteeing he can't be guaranteeing we can't be guaranteeing you can't be guaranteeing they can't be guaranteeing
Perfect	V-ing perfect
I can't have guaranteed you can't have guaranteed he can't have guaranteed we can't have guaranteed you can't have guaranteed they can't have guaranteed	I can't have been guaranteeing you can't have been guaranteeing he can't have been guaranteeing we can't have been guaranteeing you can't have been guaranteeing they can't have been guaranteeing

Interrogative form

Simple form	V-ing form
can I guarantee? can you guarantee? can he guarantee? can we guarantee? can you guarantee? can they guarantee?	can I be guaranteeing? can you be guaranteeing? can he be guaranteeing? can we be guaranteeing? can you be guaranteeing? can they be guaranteeing?
Perfect	V-ing perfect
can I have guaranteed? can you have guaranteed? can he have guaranteed? can we have guaranteed? can you have guaranteed? can they have guaranteed?	can I have been guaranteeing? can you have been guaranteeing? can he have been guaranteeing? can we have been guaranteeing? can you have been guaranteeing? can they have been guaranteeing?

Interro-negative form

Simple form	V-ing form
can't I guarantee? can't you guarantee? can't he guarantee? can't we guarantee? can't you guarantee? can't they guarantee?	can't I be guaranteeing? can't you be guaranteeing? can't he be guaranteeing? can't we be guaranteeing? can't you be guaranteeing? can't they be guaranteeing?
Perfect	V-ing perfect
can't I have guaranteed? can't you have guaranteed? can't he have guaranteed? can't we have guaranteed? can't you have guaranteed? can't they have guaranteed?	can't I have been guaranteeing? can't you have been guaranteeing? can't he have been guaranteeing? can't we have been guaranteeing? can't you have been guaranteeing? can't they have been guaranteeing?