can guarantee
Regular verb: guarantee - guaranteed- guaranteed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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	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 	Perfect 	V-ing perfect 	
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? 	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 	Perfect 	V-ing perfect 	
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? 	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?