I can tie you can tie she can tie we can tie you can tie they can tie
V-ing form
I can be tying you can be tying she can be tying we can be tying you can be tying they can be tying
Perfect
I can have tied you can have tied she can have tied we can have tied you can have tied they can have tied
V-ing perfect
I can have been tying you can have been tying she can have been tying we can have been tying you can have been tying they can have been tying
Negation
Simple form
I can't tie you can't tie she can't tie we can't tie you can't tie they can't tie
V-ing form
I can't be tying you can't be tying she can't be tying we can't be tying you can't be tying they can't be tying
Perfect
I can't have tied you can't have tied she can't have tied we can't have tied you can't have tied they can't have tied
V-ing perfect
I can't have been tying you can't have been tying she can't have been tying we can't have been tying you can't have been tying they can't have been tying
Interrogative form
Simple form
can I tie? can you tie? can she tie? can we tie? can you tie? can they tie?
V-ing form
can I be tying? can you be tying? can she be tying? can we be tying? can you be tying? can they be tying?
Perfect
can I have tied? can you have tied? can she have tied? can we have tied? can you have tied? can they have tied?
V-ing perfect
can I have been tying? can you have been tying? can she have been tying? can we have been tying? can you have been tying? can they have been tying?
Interro-negative form
Simple form
can't I tie? can't you tie? can't she tie? can't we tie? can't you tie? can't they tie?
V-ing form
can't I be tying? can't you be tying? can't she be tying? can't we be tying? can't you be tying? can't they be tying?
Perfect
can't I have tied? can't you have tied? can't she have tied? can't we have tied? can't you have tied? can't they have tied?
V-ing perfect
can't I have been tying? can't you have been tying? can't she have been tying? can't we have been tying? can't you have been tying? can't they have been tying?