can sash
Regular verb: sash - sashed- sashed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can sash
you can sash
he can sash
we can sash
you can sash
they can sash 	I can be sashing
you can be sashing
he can be sashing
we can be sashing
you can be sashing
they can be sashing	I can have sashed
you can have sashed
he can have sashed
we can have sashed
you can have sashed
they can have sashed	I can have been sashing
you can have been sashing
he can have been sashing
we can have been sashing
you can have been sashing
they can have been sashing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot sash
you cannot sash
he cannot sash
we cannot sash
you cannot sash
they cannot sash 	I cannot be sashing
you cannot be sashing
he cannot be sashing
we cannot be sashing
you cannot be sashing
they cannot be sashing	I cannot have sashed
you cannot have sashed
he cannot have sashed
we cannot have sashed
you cannot have sashed
they cannot have sashed	I cannot have been sashing
you cannot have been sashing
he cannot have been sashing
we cannot have been sashing
you cannot have been sashing
they cannot have been sashing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I sash?
can you sash?
can he sash?
can we sash?
can you sash?
can they sash? 	can I be sashing?
can you be sashing?
can he be sashing?
can we be sashing?
can you be sashing?
can they be sashing? 	can I have sashed?
can you have sashed?
can he have sashed?
can we have sashed?
can you have sashed?
can they have sashed? 	can I have been sashing?
can you have been sashing?
can he have been sashing?
can we have been sashing?
can you have been sashing?
can they have been sashing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not sash?
can you not sash?
can he not sash?
can we not sash?
can you not sash?
can they not sash? 	can I not be sashing?
can you not be sashing?
can he not be sashing?
can we not be sashing?
can you not be sashing?
can they not be sashing? 	can I not have sashed?
can you not have sashed?
can he not have sashed?
can we not have sashed?
can you not have sashed?
can they not have sashed? 	can I not have been sashing?
can you not have been sashing?
can he not have been sashing?
can we not have been sashing?
can you not have been sashing?
can they not have been sashing?