can tow
Regular verb: tow - towed- towed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can tow
you can tow
he can tow
we can tow
you can tow
they can tow 	I can be towing
you can be towing
he can be towing
we can be towing
you can be towing
they can be towing	I can have towed
you can have towed
he can have towed
we can have towed
you can have towed
they can have towed	I can have been towing
you can have been towing
he can have been towing
we can have been towing
you can have been towing
they can have been towing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot tow
you cannot tow
he cannot tow
we cannot tow
you cannot tow
they cannot tow 	I cannot be towing
you cannot be towing
he cannot be towing
we cannot be towing
you cannot be towing
they cannot be towing	I cannot have towed
you cannot have towed
he cannot have towed
we cannot have towed
you cannot have towed
they cannot have towed	I cannot have been towing
you cannot have been towing
he cannot have been towing
we cannot have been towing
you cannot have been towing
they cannot have been towing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I tow?
can you tow?
can he tow?
can we tow?
can you tow?
can they tow? 	can I be towing?
can you be towing?
can he be towing?
can we be towing?
can you be towing?
can they be towing? 	can I have towed?
can you have towed?
can he have towed?
can we have towed?
can you have towed?
can they have towed? 	can I have been towing?
can you have been towing?
can he have been towing?
can we have been towing?
can you have been towing?
can they have been towing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not tow?
can you not tow?
can he not tow?
can we not tow?
can you not tow?
can they not tow? 	can I not be towing?
can you not be towing?
can he not be towing?
can we not be towing?
can you not be towing?
can they not be towing? 	can I not have towed?
can you not have towed?
can he not have towed?
can we not have towed?
can you not have towed?
can they not have towed? 	can I not have been towing?
can you not have been towing?
can he not have been towing?
can we not have been towing?
can you not have been towing?
can they not have been towing?