can crop
Regular verb: crop - cropped- cropped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can crop
you can crop
he can crop
we can crop
you can crop
they can crop 	I can be cropping
you can be cropping
he can be cropping
we can be cropping
you can be cropping
they can be cropping	I can have cropped
you can have cropped
he can have cropped
we can have cropped
you can have cropped
they can have cropped	I can have been cropping
you can have been cropping
he can have been cropping
we can have been cropping
you can have been cropping
they can have been cropping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot crop
you cannot crop
he cannot crop
we cannot crop
you cannot crop
they cannot crop 	I cannot be cropping
you cannot be cropping
he cannot be cropping
we cannot be cropping
you cannot be cropping
they cannot be cropping	I cannot have cropped
you cannot have cropped
he cannot have cropped
we cannot have cropped
you cannot have cropped
they cannot have cropped	I cannot have been cropping
you cannot have been cropping
he cannot have been cropping
we cannot have been cropping
you cannot have been cropping
they cannot have been cropping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I crop?
can you crop?
can he crop?
can we crop?
can you crop?
can they crop? 	can I be cropping?
can you be cropping?
can he be cropping?
can we be cropping?
can you be cropping?
can they be cropping? 	can I have cropped?
can you have cropped?
can he have cropped?
can we have cropped?
can you have cropped?
can they have cropped? 	can I have been cropping?
can you have been cropping?
can he have been cropping?
can we have been cropping?
can you have been cropping?
can they have been cropping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not crop?
can you not crop?
can he not crop?
can we not crop?
can you not crop?
can they not crop? 	can I not be cropping?
can you not be cropping?
can he not be cropping?
can we not be cropping?
can you not be cropping?
can they not be cropping? 	can I not have cropped?
can you not have cropped?
can he not have cropped?
can we not have cropped?
can you not have cropped?
can they not have cropped? 	can I not have been cropping?
can you not have been cropping?
can he not have been cropping?
can we not have been cropping?
can you not have been cropping?
can they not have been cropping?