English verb conjugation
CAN GUARANTEE

Regular verb: guarantee - guaranteed - guaranteed

Affirmation

Simple form	V-ing form
I can guarantee you can guarantee she can guarantee we can guarantee you can guarantee they can guarantee	I can be guaranteeing you can be guaranteeing she 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 she 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 she 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 cannot guarantee you cannot guarantee she cannot guarantee we cannot guarantee you cannot guarantee they cannot guarantee	I cannot be guaranteeing you cannot be guaranteeing she cannot be guaranteeing we cannot be guaranteeing you cannot be guaranteeing they cannot be guaranteeing
Perfect	V-ing perfect
I cannot have guaranteed you cannot have guaranteed she cannot have guaranteed we cannot have guaranteed you cannot have guaranteed they cannot have guaranteed	I cannot have been guaranteeing you cannot have been guaranteeing she cannot have been guaranteeing we cannot have been guaranteeing you cannot have been guaranteeing they cannot have been guaranteeing

Interrogative form

Simple form	V-ing form
can I guarantee? can you guarantee? can she guarantee? can we guarantee? can you guarantee? can they guarantee?	can I be guaranteeing? can you be guaranteeing? can she 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 she 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 she 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 I not guarantee? can you not guarantee? can she not guarantee? can we not guarantee? can you not guarantee? can they not guarantee?	can I not be guaranteeing? can you not be guaranteeing? can she not be guaranteeing? can we not be guaranteeing? can you not be guaranteeing? can they not be guaranteeing?
Perfect	V-ing perfect
can I not have guaranteed? can you not have guaranteed? can she not have guaranteed? can we not have guaranteed? can you not have guaranteed? can they not have guaranteed?	can I not have been guaranteeing? can you not have been guaranteeing? can she not have been guaranteeing? can we not have been guaranteeing? can you not have been guaranteeing? can they not have been guaranteeing?