English verb conjugation
CAN LETCH

Regular verb: letch - letched - letched

Affirmation

Simple form	V-ing form
I can letch you can letch she can letch we can letch you can letch they can letch	I can be letching you can be letching she can be letching we can be letching you can be letching they can be letching
Perfect	V-ing perfect
I can have letched you can have letched she can have letched we can have letched you can have letched they can have letched	I can have been letching you can have been letching she can have been letching we can have been letching you can have been letching they can have been letching

Negation

Simple form	V-ing form
I can't letch you can't letch she can't letch we can't letch you can't letch they can't letch	I can't be letching you can't be letching she can't be letching we can't be letching you can't be letching they can't be letching
Perfect	V-ing perfect
I can't have letched you can't have letched she can't have letched we can't have letched you can't have letched they can't have letched	I can't have been letching you can't have been letching she can't have been letching we can't have been letching you can't have been letching they can't have been letching

Interrogative form

Simple form	V-ing form
can I letch? can you letch? can she letch? can we letch? can you letch? can they letch?	can I be letching? can you be letching? can she be letching? can we be letching? can you be letching? can they be letching?
Perfect	V-ing perfect
can I have letched? can you have letched? can she have letched? can we have letched? can you have letched? can they have letched?	can I have been letching? can you have been letching? can she have been letching? can we have been letching? can you have been letching? can they have been letching?

Interro-negative form

Simple form	V-ing form
can't I letch? can't you letch? can't she letch? can't we letch? can't you letch? can't they letch?	can't I be letching? can't you be letching? can't she be letching? can't we be letching? can't you be letching? can't they be letching?
Perfect	V-ing perfect
can't I have letched? can't you have letched? can't she have letched? can't we have letched? can't you have letched? can't they have letched?	can't I have been letching? can't you have been letching? can't she have been letching? can't we have been letching? can't you have been letching? can't they have been letching?