can letch
Regular verb: letch - letched- letched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can letch
you can letch
he can letch
we can letch
you can letch
they can letch 	I can be letching
you can be letching
he can be letching
we can be letching
you can be letching
they can be letching	I can have letched
you can have letched
he 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
he 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 	Perfect 	V-ing perfect 	
I cannot letch
you cannot letch
he cannot letch
we cannot letch
you cannot letch
they cannot letch 	I cannot be letching
you cannot be letching
he cannot be letching
we cannot be letching
you cannot be letching
they cannot be letching	I cannot have letched
you cannot have letched
he cannot have letched
we cannot have letched
you cannot have letched
they cannot have letched	I cannot have been letching
you cannot have been letching
he cannot have been letching
we cannot have been letching
you cannot have been letching
they cannot have been letching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I letch?
can you letch?
can he letch?
can we letch?
can you letch?
can they letch? 	can I be letching?
can you be letching?
can he be letching?
can we be letching?
can you be letching?
can they be letching? 	can I have letched?
can you have letched?
can he 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 he 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 	Perfect 	V-ing perfect 	
can I not letch?
can you not letch?
can he not letch?
can we not letch?
can you not letch?
can they not letch? 	can I not be letching?
can you not be letching?
can he not be letching?
can we not be letching?
can you not be letching?
can they not be letching? 	can I not have letched?
can you not have letched?
can he not have letched?
can we not have letched?
can you not have letched?
can they not have letched? 	can I not have been letching?
can you not have been letching?
can he not have been letching?
can we not have been letching?
can you not have been letching?
can they not have been letching?