can tour
Regular verb: tour - toured- toured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can tour
you can tour
he can tour
we can tour
you can tour
they can tour 	I can be touring
you can be touring
he can be touring
we can be touring
you can be touring
they can be touring	I can have toured
you can have toured
he can have toured
we can have toured
you can have toured
they can have toured	I can have been touring
you can have been touring
he can have been touring
we can have been touring
you can have been touring
they can have been touring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't tour
you can't tour
he can't tour
we can't tour
you can't tour
they can't tour 	I can't be touring
you can't be touring
he can't be touring
we can't be touring
you can't be touring
they can't be touring	I can't have toured
you can't have toured
he can't have toured
we can't have toured
you can't have toured
they can't have toured	I can't have been touring
you can't have been touring
he can't have been touring
we can't have been touring
you can't have been touring
they can't have been touring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I tour?
can you tour?
can he tour?
can we tour?
can you tour?
can they tour? 	can I be touring?
can you be touring?
can he be touring?
can we be touring?
can you be touring?
can they be touring? 	can I have toured?
can you have toured?
can he have toured?
can we have toured?
can you have toured?
can they have toured? 	can I have been touring?
can you have been touring?
can he have been touring?
can we have been touring?
can you have been touring?
can they have been touring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I tour?
can't you tour?
can't he tour?
can't we tour?
can't you tour?
can't they tour? 	can't I be touring?
can't you be touring?
can't he be touring?
can't we be touring?
can't you be touring?
can't they be touring? 	can't I have toured?
can't you have toured?
can't he have toured?
can't we have toured?
can't you have toured?
can't they have toured? 	can't I have been touring?
can't you have been touring?
can't he have been touring?
can't we have been touring?
can't you have been touring?
can't they have been touring?