could freeze
Irregular verb: freeze - froze- frozen

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could freeze
you could freeze
she could freeze
we could freeze
you could freeze
they could freeze 	I could be freezing
you could be freezing
she could be freezing
we could be freezing
you could be freezing
they could be freezing	I could have frozen
you could have frozen
she could have frozen
we could have frozen
you could have frozen
they could have frozen	I could have been freezing
you could have been freezing
she could have been freezing
we could have been freezing
you could have been freezing
they could have been freezing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not freeze
you could not freeze
she could not freeze
we could not freeze
you could not freeze
they could not freeze 	I could not be freezing
you could not be freezing
she could not be freezing
we could not be freezing
you could not be freezing
they could not be freezing	I could not have frozen
you could not have frozen
she could not have frozen
we could not have frozen
you could not have frozen
they could not have frozen	I could not have been freezing
you could not have been freezing
she could not have been freezing
we could not have been freezing
you could not have been freezing
they could not have been freezing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I freeze?
could you freeze?
could she freeze?
could we freeze?
could you freeze?
could they freeze? 	could I be freezing?
could you be freezing?
could she be freezing?
could we be freezing?
could you be freezing?
could they be freezing? 	could I have frozen?
could you have frozen?
could she have frozen?
could we have frozen?
could you have frozen?
could they have frozen? 	could I have been freezing?
could you have been freezing?
could she have been freezing?
could we have been freezing?
could you have been freezing?
could they have been freezing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not freeze?
could you not freeze?
could she not freeze?
could we not freeze?
could you not freeze?
could they not freeze? 	could I not be freezing?
could you not be freezing?
could she not be freezing?
could we not be freezing?
could you not be freezing?
could they not be freezing? 	could I not have frozen?
could you not have frozen?
could she not have frozen?
could we not have frozen?
could you not have frozen?
could they not have frozen? 	could I not have been freezing?
could you not have been freezing?
could she not have been freezing?
could we not have been freezing?
could you not have been freezing?
could they not have been freezing?