English verb conjugation
CAN TAT

Regular verb: tat - tatted - tatted

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I cannot tat you cannot tat he cannot tat we cannot tat you cannot tat they cannot tat	I cannot be tatting you cannot be tatting he cannot be tatting we cannot be tatting you cannot be tatting they cannot be tatting
Perfect	V-ing perfect
I cannot have tatted you cannot have tatted he cannot have tatted we cannot have tatted you cannot have tatted they cannot have tatted	I cannot have been tatting you cannot have been tatting he cannot have been tatting we cannot have been tatting you cannot have been tatting they cannot have been tatting

Interrogative form

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