English verb conjugation
COULD BEG

Regular verb: beg - begged - begged

Affirmation

Simple form	V-ing form
I could beg you could beg she could beg we could beg you could beg they could beg	I could be begging you could be begging she could be begging we could be begging you could be begging they could be begging
Perfect	V-ing perfect
I could have begged you could have begged she could have begged we could have begged you could have begged they could have begged	I could have been begging you could have been begging she could have been begging we could have been begging you could have been begging they could have been begging

Negation

Simple form	V-ing form
I couldn't beg you couldn't beg she couldn't beg we couldn't beg you couldn't beg they couldn't beg	I couldn't be begging you couldn't be begging she couldn't be begging we couldn't be begging you couldn't be begging they couldn't be begging
Perfect	V-ing perfect
I couldn't have begged you couldn't have begged she couldn't have begged we couldn't have begged you couldn't have begged they couldn't have begged	I couldn't have been begging you couldn't have been begging she couldn't have been begging we couldn't have been begging you couldn't have been begging they couldn't have been begging

Interrogative form

Simple form	V-ing form
could I beg? could you beg? could she beg? could we beg? could you beg? could they beg?	could I be begging? could you be begging? could she be begging? could we be begging? could you be begging? could they be begging?
Perfect	V-ing perfect
could I have begged? could you have begged? could she have begged? could we have begged? could you have begged? could they have begged?	could I have been begging? could you have been begging? could she have been begging? could we have been begging? could you have been begging? could they have been begging?

Interro-negative form

Simple form	V-ing form
couldn't I beg? couldn't you beg? couldn't she beg? couldn't we beg? couldn't you beg? couldn't they beg?	couldn't I be begging? couldn't you be begging? couldn't she be begging? couldn't we be begging? couldn't you be begging? couldn't they be begging?
Perfect	V-ing perfect
couldn't I have begged? couldn't you have begged? couldn't she have begged? couldn't we have begged? couldn't you have begged? couldn't they have begged?	couldn't I have been begging? couldn't you have been begging? couldn't she have been begging? couldn't we have been begging? couldn't you have been begging? couldn't they have been begging?