can tat
Regular verb: tat - tatted- tatted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can tat
you can tat
he can tat
we can tat
you can tat
they can tat 	I can be tatting
you can be tatting
he can be tatting
we can be tatting
you can be tatting
they can be tatting	I can have tatted
you can have tatted
he can have tatted
we can have tatted
you can have tatted
they can have tatted	I can have been tatting
you can have been tatting
he can have been tatting
we can have been tatting
you can have been tatting
they can have been tatting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't tat
you can't tat
he can't tat
we can't tat
you can't tat
they can't tat 	I can't be tatting
you can't be tatting
he can't be tatting
we can't be tatting
you can't be tatting
they can't be tatting	I can't have tatted
you can't have tatted
he can't have tatted
we can't have tatted
you can't have tatted
they can't have tatted	I can't have been tatting
you can't have been tatting
he can't have been tatting
we can't have been tatting
you can't have been tatting
they can't have been tatting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I tat?
can you tat?
can he tat?
can we tat?
can you tat?
can they tat? 	can I be tatting?
can you be tatting?
can he be tatting?
can we be tatting?
can you be tatting?
can they be tatting? 	can I have tatted?
can you have tatted?
can he have tatted?
can we have tatted?
can you have tatted?
can they have tatted? 	can I have been tatting?
can you have been tatting?
can he have been tatting?
can we have been tatting?
can you have been tatting?
can they have been tatting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I tat?
can't you tat?
can't he tat?
can't we tat?
can't you tat?
can't they tat? 	can't I be tatting?
can't you be tatting?
can't he be tatting?
can't we be tatting?
can't you be tatting?
can't they be tatting? 	can't I have tatted?
can't you have tatted?
can't he have tatted?
can't we have tatted?
can't you have tatted?
can't they have tatted? 	can't I have been tatting?
can't you have been tatting?
can't he have been tatting?
can't we have been tatting?
can't you have been tatting?
can't they have been tatting?