English verb conjugation
COULD CALCULATE CHARGE

Regular verb: calculate charge - calculate charged - calculate charged

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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