can tie
Regular verb: tie - tied- tied

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can tie
you can tie
he can tie
we can tie
you can tie
they can tie 	I can be tying
you can be tying
he can be tying
we can be tying
you can be tying
they can be tying	I can have tied
you can have tied
he can have tied
we can have tied
you can have tied
they can have tied	I can have been tying
you can have been tying
he can have been tying
we can have been tying
you can have been tying
they can have been tying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot tie
you cannot tie
he cannot tie
we cannot tie
you cannot tie
they cannot tie 	I cannot be tying
you cannot be tying
he cannot be tying
we cannot be tying
you cannot be tying
they cannot be tying	I cannot have tied
you cannot have tied
he cannot have tied
we cannot have tied
you cannot have tied
they cannot have tied	I cannot have been tying
you cannot have been tying
he cannot have been tying
we cannot have been tying
you cannot have been tying
they cannot have been tying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I tie?
can you tie?
can he tie?
can we tie?
can you tie?
can they tie? 	can I be tying?
can you be tying?
can he be tying?
can we be tying?
can you be tying?
can they be tying? 	can I have tied?
can you have tied?
can he have tied?
can we have tied?
can you have tied?
can they have tied? 	can I have been tying?
can you have been tying?
can he have been tying?
can we have been tying?
can you have been tying?
can they have been tying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not tie?
can you not tie?
can he not tie?
can we not tie?
can you not tie?
can they not tie? 	can I not be tying?
can you not be tying?
can he not be tying?
can we not be tying?
can you not be tying?
can they not be tying? 	can I not have tied?
can you not have tied?
can he not have tied?
can we not have tied?
can you not have tied?
can they not have tied? 	can I not have been tying?
can you not have been tying?
can he not have been tying?
can we not have been tying?
can you not have been tying?
can they not have been tying?