English verb conjugation
COULD CHELATE

Regular verb: chelate - chelated - chelated

Affirmation

Simple form	V-ing form
I could chelate you could chelate he could chelate we could chelate you could chelate they could chelate	I could be chelating you could be chelating he could be chelating we could be chelating you could be chelating they could be chelating
Perfect	V-ing perfect
I could have chelated you could have chelated he could have chelated we could have chelated you could have chelated they could have chelated	I could have been chelating you could have been chelating he could have been chelating we could have been chelating you could have been chelating they could have been chelating

Negation

Simple form	V-ing form
I could not chelate you could not chelate he could not chelate we could not chelate you could not chelate they could not chelate	I could not be chelating you could not be chelating he could not be chelating we could not be chelating you could not be chelating they could not be chelating
Perfect	V-ing perfect
I could not have chelated you could not have chelated he could not have chelated we could not have chelated you could not have chelated they could not have chelated	I could not have been chelating you could not have been chelating he could not have been chelating we could not have been chelating you could not have been chelating they could not have been chelating

Interrogative form

Simple form	V-ing form
could I chelate? could you chelate? could he chelate? could we chelate? could you chelate? could they chelate?	could I be chelating? could you be chelating? could he be chelating? could we be chelating? could you be chelating? could they be chelating?
Perfect	V-ing perfect
could I have chelated? could you have chelated? could he have chelated? could we have chelated? could you have chelated? could they have chelated?	could I have been chelating? could you have been chelating? could he have been chelating? could we have been chelating? could you have been chelating? could they have been chelating?

Interro-negative form

Simple form	V-ing form
could I not chelate? could you not chelate? could he not chelate? could we not chelate? could you not chelate? could they not chelate?	could I not be chelating? could you not be chelating? could he not be chelating? could we not be chelating? could you not be chelating? could they not be chelating?
Perfect	V-ing perfect
could I not have chelated? could you not have chelated? could he not have chelated? could we not have chelated? could you not have chelated? could they not have chelated?	could I not have been chelating? could you not have been chelating? could he not have been chelating? could we not have been chelating? could you not have been chelating? could they not have been chelating?