English verb conjugation
CAN FILCH

Regular verb: filch - filched - filched

Affirmation

Simple form	V-ing form
I can filch you can filch he can filch we can filch you can filch they can filch	I can be filching you can be filching he can be filching we can be filching you can be filching they can be filching
Perfect	V-ing perfect
I can have filched you can have filched he can have filched we can have filched you can have filched they can have filched	I can have been filching you can have been filching he can have been filching we can have been filching you can have been filching they can have been filching

Negation

Simple form	V-ing form
I can't filch you can't filch he can't filch we can't filch you can't filch they can't filch	I can't be filching you can't be filching he can't be filching we can't be filching you can't be filching they can't be filching
Perfect	V-ing perfect
I can't have filched you can't have filched he can't have filched we can't have filched you can't have filched they can't have filched	I can't have been filching you can't have been filching he can't have been filching we can't have been filching you can't have been filching they can't have been filching

Interrogative form

Simple form	V-ing form
can I filch? can you filch? can he filch? can we filch? can you filch? can they filch?	can I be filching? can you be filching? can he be filching? can we be filching? can you be filching? can they be filching?
Perfect	V-ing perfect
can I have filched? can you have filched? can he have filched? can we have filched? can you have filched? can they have filched?	can I have been filching? can you have been filching? can he have been filching? can we have been filching? can you have been filching? can they have been filching?

Interro-negative form

Simple form	V-ing form
can't I filch? can't you filch? can't he filch? can't we filch? can't you filch? can't they filch?	can't I be filching? can't you be filching? can't he be filching? can't we be filching? can't you be filching? can't they be filching?
Perfect	V-ing perfect
can't I have filched? can't you have filched? can't he have filched? can't we have filched? can't you have filched? can't they have filched?	can't I have been filching? can't you have been filching? can't he have been filching? can't we have been filching? can't you have been filching? can't they have been filching?