can contort
Regular verb: contort - contorted- contorted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can contort
you can contort
he can contort
we can contort
you can contort
they can contort 	I can be contorting
you can be contorting
he can be contorting
we can be contorting
you can be contorting
they can be contorting	I can have contorted
you can have contorted
he can have contorted
we can have contorted
you can have contorted
they can have contorted	I can have been contorting
you can have been contorting
he can have been contorting
we can have been contorting
you can have been contorting
they can have been contorting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot contort
you cannot contort
he cannot contort
we cannot contort
you cannot contort
they cannot contort 	I cannot be contorting
you cannot be contorting
he cannot be contorting
we cannot be contorting
you cannot be contorting
they cannot be contorting	I cannot have contorted
you cannot have contorted
he cannot have contorted
we cannot have contorted
you cannot have contorted
they cannot have contorted	I cannot have been contorting
you cannot have been contorting
he cannot have been contorting
we cannot have been contorting
you cannot have been contorting
they cannot have been contorting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I contort?
can you contort?
can he contort?
can we contort?
can you contort?
can they contort? 	can I be contorting?
can you be contorting?
can he be contorting?
can we be contorting?
can you be contorting?
can they be contorting? 	can I have contorted?
can you have contorted?
can he have contorted?
can we have contorted?
can you have contorted?
can they have contorted? 	can I have been contorting?
can you have been contorting?
can he have been contorting?
can we have been contorting?
can you have been contorting?
can they have been contorting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not contort?
can you not contort?
can he not contort?
can we not contort?
can you not contort?
can they not contort? 	can I not be contorting?
can you not be contorting?
can he not be contorting?
can we not be contorting?
can you not be contorting?
can they not be contorting? 	can I not have contorted?
can you not have contorted?
can he not have contorted?
can we not have contorted?
can you not have contorted?
can they not have contorted? 	can I not have been contorting?
can you not have been contorting?
can he not have been contorting?
can we not have been contorting?
can you not have been contorting?
can they not have been contorting?