English verb conjugation
COULD CHARGE

Regular verb: charge - charged - charged

Affirmation

Simple form	V-ing form
I could charge you could charge he could charge we could charge you could charge they could charge	I could be charging you could be charging he could be charging we could be charging you could be charging they could be charging
Perfect	V-ing perfect
I could have charged you could have charged he could have charged we could have charged you could have charged they could have charged	I could have been charging you could have been charging he could have been charging we could have been charging you could have been charging they could have been charging

Negation

Simple form	V-ing form
I couldn't charge you couldn't charge he couldn't charge we couldn't charge you couldn't charge they couldn't charge	I couldn't be charging you couldn't be charging he couldn't be charging we couldn't be charging you couldn't be charging they couldn't be charging
Perfect	V-ing perfect
I couldn't have charged you couldn't have charged he couldn't have charged we couldn't have charged you couldn't have charged they couldn't have charged	I couldn't have been charging you couldn't have been charging he couldn't have been charging we couldn't have been charging you couldn't have been charging they couldn't have been charging

Interrogative form

Simple form	V-ing form
could I charge? could you charge? could he charge? could we charge? could you charge? could they charge?	could I be charging? could you be charging? could he be charging? could we be charging? could you be charging? could they be charging?
Perfect	V-ing perfect
could I have charged? could you have charged? could he have charged? could we have charged? could you have charged? could they have charged?	could I have been charging? could you have been charging? could he have been charging? could we have been charging? could you have been charging? could they have been charging?

Interro-negative form

Simple form	V-ing form
couldn't I charge? couldn't you charge? couldn't he charge? couldn't we charge? couldn't you charge? couldn't they charge?	couldn't I be charging? couldn't you be charging? couldn't he be charging? couldn't we be charging? couldn't you be charging? couldn't they be charging?
Perfect	V-ing perfect
couldn't I have charged? couldn't you have charged? couldn't he have charged? couldn't we have charged? couldn't you have charged? couldn't they have charged?	couldn't I have been charging? couldn't you have been charging? couldn't he have been charging? couldn't we have been charging? couldn't you have been charging? couldn't they have been charging?