can double-check
Regular verb: double-check - double-checked- double-checked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can double-check
you can double-check
she can double-check
we can double-check
you can double-check
they can double-check 	I can be double-checking
you can be double-checking
she can be double-checking
we can be double-checking
you can be double-checking
they can be double-checking	I can have double-checked
you can have double-checked
she can have double-checked
we can have double-checked
you can have double-checked
they can have double-checked	I can have been double-checking
you can have been double-checking
she can have been double-checking
we can have been double-checking
you can have been double-checking
they can have been double-checking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't double-check
you can't double-check
she can't double-check
we can't double-check
you can't double-check
they can't double-check 	I can't be double-checking
you can't be double-checking
she can't be double-checking
we can't be double-checking
you can't be double-checking
they can't be double-checking	I can't have double-checked
you can't have double-checked
she can't have double-checked
we can't have double-checked
you can't have double-checked
they can't have double-checked	I can't have been double-checking
you can't have been double-checking
she can't have been double-checking
we can't have been double-checking
you can't have been double-checking
they can't have been double-checking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I double-check?
can you double-check?
can she double-check?
can we double-check?
can you double-check?
can they double-check? 	can I be double-checking?
can you be double-checking?
can she be double-checking?
can we be double-checking?
can you be double-checking?
can they be double-checking? 	can I have double-checked?
can you have double-checked?
can she have double-checked?
can we have double-checked?
can you have double-checked?
can they have double-checked? 	can I have been double-checking?
can you have been double-checking?
can she have been double-checking?
can we have been double-checking?
can you have been double-checking?
can they have been double-checking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I double-check?
can't you double-check?
can't she double-check?
can't we double-check?
can't you double-check?
can't they double-check? 	can't I be double-checking?
can't you be double-checking?
can't she be double-checking?
can't we be double-checking?
can't you be double-checking?
can't they be double-checking? 	can't I have double-checked?
can't you have double-checked?
can't she have double-checked?
can't we have double-checked?
can't you have double-checked?
can't they have double-checked? 	can't I have been double-checking?
can't you have been double-checking?
can't she have been double-checking?
can't we have been double-checking?
can't you have been double-checking?
can't they have been double-checking?