English verb conjugation
CAN SANDWICH

Regular verb: sandwich - sandwiched - sandwiched

Affirmation

Simple form	V-ing form
I can sandwich you can sandwich he can sandwich we can sandwich you can sandwich they can sandwich	I can be sandwiching you can be sandwiching he can be sandwiching we can be sandwiching you can be sandwiching they can be sandwiching
Perfect	V-ing perfect
I can have sandwiched you can have sandwiched he can have sandwiched we can have sandwiched you can have sandwiched they can have sandwiched	I can have been sandwiching you can have been sandwiching he can have been sandwiching we can have been sandwiching you can have been sandwiching they can have been sandwiching

Negation

Simple form	V-ing form
I can't sandwich you can't sandwich he can't sandwich we can't sandwich you can't sandwich they can't sandwich	I can't be sandwiching you can't be sandwiching he can't be sandwiching we can't be sandwiching you can't be sandwiching they can't be sandwiching
Perfect	V-ing perfect
I can't have sandwiched you can't have sandwiched he can't have sandwiched we can't have sandwiched you can't have sandwiched they can't have sandwiched	I can't have been sandwiching you can't have been sandwiching he can't have been sandwiching we can't have been sandwiching you can't have been sandwiching they can't have been sandwiching

Interrogative form

Simple form	V-ing form
can I sandwich? can you sandwich? can he sandwich? can we sandwich? can you sandwich? can they sandwich?	can I be sandwiching? can you be sandwiching? can he be sandwiching? can we be sandwiching? can you be sandwiching? can they be sandwiching?
Perfect	V-ing perfect
can I have sandwiched? can you have sandwiched? can he have sandwiched? can we have sandwiched? can you have sandwiched? can they have sandwiched?	can I have been sandwiching? can you have been sandwiching? can he have been sandwiching? can we have been sandwiching? can you have been sandwiching? can they have been sandwiching?

Interro-negative form

Simple form	V-ing form
can't I sandwich? can't you sandwich? can't he sandwich? can't we sandwich? can't you sandwich? can't they sandwich?	can't I be sandwiching? can't you be sandwiching? can't he be sandwiching? can't we be sandwiching? can't you be sandwiching? can't they be sandwiching?
Perfect	V-ing perfect
can't I have sandwiched? can't you have sandwiched? can't he have sandwiched? can't we have sandwiched? can't you have sandwiched? can't they have sandwiched?	can't I have been sandwiching? can't you have been sandwiching? can't he have been sandwiching? can't we have been sandwiching? can't you have been sandwiching? can't they have been sandwiching?