English verb conjugation
COULD BESIEGE

Regular verb: besiege - besieged - besieged

Affirmation

Simple form	V-ing form
I could besiege you could besiege he could besiege we could besiege you could besiege they could besiege	I could be besieging you could be besieging he could be besieging we could be besieging you could be besieging they could be besieging
Perfect	V-ing perfect
I could have besieged you could have besieged he could have besieged we could have besieged you could have besieged they could have besieged	I could have been besieging you could have been besieging he could have been besieging we could have been besieging you could have been besieging they could have been besieging

Negation

Simple form	V-ing form
I couldn't besiege you couldn't besiege he couldn't besiege we couldn't besiege you couldn't besiege they couldn't besiege	I couldn't be besieging you couldn't be besieging he couldn't be besieging we couldn't be besieging you couldn't be besieging they couldn't be besieging
Perfect	V-ing perfect
I couldn't have besieged you couldn't have besieged he couldn't have besieged we couldn't have besieged you couldn't have besieged they couldn't have besieged	I couldn't have been besieging you couldn't have been besieging he couldn't have been besieging we couldn't have been besieging you couldn't have been besieging they couldn't have been besieging

Interrogative form

Simple form	V-ing form
could I besiege? could you besiege? could he besiege? could we besiege? could you besiege? could they besiege?	could I be besieging? could you be besieging? could he be besieging? could we be besieging? could you be besieging? could they be besieging?
Perfect	V-ing perfect
could I have besieged? could you have besieged? could he have besieged? could we have besieged? could you have besieged? could they have besieged?	could I have been besieging? could you have been besieging? could he have been besieging? could we have been besieging? could you have been besieging? could they have been besieging?

Interro-negative form

Simple form	V-ing form
couldn't I besiege? couldn't you besiege? couldn't he besiege? couldn't we besiege? couldn't you besiege? couldn't they besiege?	couldn't I be besieging? couldn't you be besieging? couldn't he be besieging? couldn't we be besieging? couldn't you be besieging? couldn't they be besieging?
Perfect	V-ing perfect
couldn't I have besieged? couldn't you have besieged? couldn't he have besieged? couldn't we have besieged? couldn't you have besieged? couldn't they have besieged?	couldn't I have been besieging? couldn't you have been besieging? couldn't he have been besieging? couldn't we have been besieging? couldn't you have been besieging? couldn't they have been besieging?