can soil
Regular verb: soil - soiled- soiled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can soil
you can soil
he can soil
we can soil
you can soil
they can soil 	I can be soiling
you can be soiling
he can be soiling
we can be soiling
you can be soiling
they can be soiling	I can have soiled
you can have soiled
he can have soiled
we can have soiled
you can have soiled
they can have soiled	I can have been soiling
you can have been soiling
he can have been soiling
we can have been soiling
you can have been soiling
they can have been soiling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot soil
you cannot soil
he cannot soil
we cannot soil
you cannot soil
they cannot soil 	I cannot be soiling
you cannot be soiling
he cannot be soiling
we cannot be soiling
you cannot be soiling
they cannot be soiling	I cannot have soiled
you cannot have soiled
he cannot have soiled
we cannot have soiled
you cannot have soiled
they cannot have soiled	I cannot have been soiling
you cannot have been soiling
he cannot have been soiling
we cannot have been soiling
you cannot have been soiling
they cannot have been soiling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I soil?
can you soil?
can he soil?
can we soil?
can you soil?
can they soil? 	can I be soiling?
can you be soiling?
can he be soiling?
can we be soiling?
can you be soiling?
can they be soiling? 	can I have soiled?
can you have soiled?
can he have soiled?
can we have soiled?
can you have soiled?
can they have soiled? 	can I have been soiling?
can you have been soiling?
can he have been soiling?
can we have been soiling?
can you have been soiling?
can they have been soiling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not soil?
can you not soil?
can he not soil?
can we not soil?
can you not soil?
can they not soil? 	can I not be soiling?
can you not be soiling?
can he not be soiling?
can we not be soiling?
can you not be soiling?
can they not be soiling? 	can I not have soiled?
can you not have soiled?
can he not have soiled?
can we not have soiled?
can you not have soiled?
can they not have soiled? 	can I not have been soiling?
can you not have been soiling?
can he not have been soiling?
can we not have been soiling?
can you not have been soiling?
can they not have been soiling?