I can ta you can ta she can ta we can ta you can ta they can ta
V-ing form
I can be taing you can be taing she can be taing we can be taing you can be taing they can be taing
Perfect
I can have taed you can have taed she can have taed we can have taed you can have taed they can have taed
V-ing perfect
I can have been taing you can have been taing she can have been taing we can have been taing you can have been taing they can have been taing
Negation
Simple form
I can't ta you can't ta she can't ta we can't ta you can't ta they can't ta
V-ing form
I can't be taing you can't be taing she can't be taing we can't be taing you can't be taing they can't be taing
Perfect
I can't have taed you can't have taed she can't have taed we can't have taed you can't have taed they can't have taed
V-ing perfect
I can't have been taing you can't have been taing she can't have been taing we can't have been taing you can't have been taing they can't have been taing
Interrogative form
Simple form
can I ta? can you ta? can she ta? can we ta? can you ta? can they ta?
V-ing form
can I be taing? can you be taing? can she be taing? can we be taing? can you be taing? can they be taing?
Perfect
can I have taed? can you have taed? can she have taed? can we have taed? can you have taed? can they have taed?
V-ing perfect
can I have been taing? can you have been taing? can she have been taing? can we have been taing? can you have been taing? can they have been taing?
Interro-negative form
Simple form
can't I ta? can't you ta? can't she ta? can't we ta? can't you ta? can't they ta?
V-ing form
can't I be taing? can't you be taing? can't she be taing? can't we be taing? can't you be taing? can't they be taing?
Perfect
can't I have taed? can't you have taed? can't she have taed? can't we have taed? can't you have taed? can't they have taed?
V-ing perfect
can't I have been taing? can't you have been taing? can't she have been taing? can't we have been taing? can't you have been taing? can't they have been taing?