can desert
Regular verb: desert - deserted- deserted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can desert
you can desert
he can desert
we can desert
you can desert
they can desert 	I can be deserting
you can be deserting
he can be deserting
we can be deserting
you can be deserting
they can be deserting	I can have deserted
you can have deserted
he can have deserted
we can have deserted
you can have deserted
they can have deserted	I can have been deserting
you can have been deserting
he can have been deserting
we can have been deserting
you can have been deserting
they can have been deserting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot desert
you cannot desert
he cannot desert
we cannot desert
you cannot desert
they cannot desert 	I cannot be deserting
you cannot be deserting
he cannot be deserting
we cannot be deserting
you cannot be deserting
they cannot be deserting	I cannot have deserted
you cannot have deserted
he cannot have deserted
we cannot have deserted
you cannot have deserted
they cannot have deserted	I cannot have been deserting
you cannot have been deserting
he cannot have been deserting
we cannot have been deserting
you cannot have been deserting
they cannot have been deserting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I desert?
can you desert?
can he desert?
can we desert?
can you desert?
can they desert? 	can I be deserting?
can you be deserting?
can he be deserting?
can we be deserting?
can you be deserting?
can they be deserting? 	can I have deserted?
can you have deserted?
can he have deserted?
can we have deserted?
can you have deserted?
can they have deserted? 	can I have been deserting?
can you have been deserting?
can he have been deserting?
can we have been deserting?
can you have been deserting?
can they have been deserting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not desert?
can you not desert?
can he not desert?
can we not desert?
can you not desert?
can they not desert? 	can I not be deserting?
can you not be deserting?
can he not be deserting?
can we not be deserting?
can you not be deserting?
can they not be deserting? 	can I not have deserted?
can you not have deserted?
can he not have deserted?
can we not have deserted?
can you not have deserted?
can they not have deserted? 	can I not have been deserting?
can you not have been deserting?
can he not have been deserting?
can we not have been deserting?
can you not have been deserting?
can they not have been deserting?