English verb conjugation
COULD ACCOUNT

Regular verb: account - accounted - accounted

Affirmation

Simple form	V-ing form
I could account you could account he could account we could account you could account they could account	I could be accounting you could be accounting he could be accounting we could be accounting you could be accounting they could be accounting
Perfect	V-ing perfect
I could have accounted you could have accounted he could have accounted we could have accounted you could have accounted they could have accounted	I could have been accounting you could have been accounting he could have been accounting we could have been accounting you could have been accounting they could have been accounting

Negation

Simple form	V-ing form
I couldn't account you couldn't account he couldn't account we couldn't account you couldn't account they couldn't account	I couldn't be accounting you couldn't be accounting he couldn't be accounting we couldn't be accounting you couldn't be accounting they couldn't be accounting
Perfect	V-ing perfect
I couldn't have accounted you couldn't have accounted he couldn't have accounted we couldn't have accounted you couldn't have accounted they couldn't have accounted	I couldn't have been accounting you couldn't have been accounting he couldn't have been accounting we couldn't have been accounting you couldn't have been accounting they couldn't have been accounting

Interrogative form

Simple form	V-ing form
could I account? could you account? could he account? could we account? could you account? could they account?	could I be accounting? could you be accounting? could he be accounting? could we be accounting? could you be accounting? could they be accounting?
Perfect	V-ing perfect
could I have accounted? could you have accounted? could he have accounted? could we have accounted? could you have accounted? could they have accounted?	could I have been accounting? could you have been accounting? could he have been accounting? could we have been accounting? could you have been accounting? could they have been accounting?

Interro-negative form

Simple form	V-ing form
couldn't I account? couldn't you account? couldn't he account? couldn't we account? couldn't you account? couldn't they account?	couldn't I be accounting? couldn't you be accounting? couldn't he be accounting? couldn't we be accounting? couldn't you be accounting? couldn't they be accounting?
Perfect	V-ing perfect
couldn't I have accounted? couldn't you have accounted? couldn't he have accounted? couldn't we have accounted? couldn't you have accounted? couldn't they have accounted?	couldn't I have been accounting? couldn't you have been accounting? couldn't he have been accounting? couldn't we have been accounting? couldn't you have been accounting? couldn't they have been accounting?