can delve
Regular verb: delve - delved- delved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can delve
you can delve
she can delve
we can delve
you can delve
they can delve 	I can be delving
you can be delving
she can be delving
we can be delving
you can be delving
they can be delving	I can have delved
you can have delved
she can have delved
we can have delved
you can have delved
they can have delved	I can have been delving
you can have been delving
she can have been delving
we can have been delving
you can have been delving
they can have been delving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot delve
you cannot delve
she cannot delve
we cannot delve
you cannot delve
they cannot delve 	I cannot be delving
you cannot be delving
she cannot be delving
we cannot be delving
you cannot be delving
they cannot be delving	I cannot have delved
you cannot have delved
she cannot have delved
we cannot have delved
you cannot have delved
they cannot have delved	I cannot have been delving
you cannot have been delving
she cannot have been delving
we cannot have been delving
you cannot have been delving
they cannot have been delving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I delve?
can you delve?
can she delve?
can we delve?
can you delve?
can they delve? 	can I be delving?
can you be delving?
can she be delving?
can we be delving?
can you be delving?
can they be delving? 	can I have delved?
can you have delved?
can she have delved?
can we have delved?
can you have delved?
can they have delved? 	can I have been delving?
can you have been delving?
can she have been delving?
can we have been delving?
can you have been delving?
can they have been delving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not delve?
can you not delve?
can she not delve?
can we not delve?
can you not delve?
can they not delve? 	can I not be delving?
can you not be delving?
can she not be delving?
can we not be delving?
can you not be delving?
can they not be delving? 	can I not have delved?
can you not have delved?
can she not have delved?
can we not have delved?
can you not have delved?
can they not have delved? 	can I not have been delving?
can you not have been delving?
can she not have been delving?
can we not have been delving?
can you not have been delving?
can they not have been delving?