English verb conjugation
COULD CONVALESCE

Regular verb: convalesce - convalesced - convalesced

Affirmation

Simple form	V-ing form
I could convalesce you could convalesce he could convalesce we could convalesce you could convalesce they could convalesce	I could be convalescing you could be convalescing he could be convalescing we could be convalescing you could be convalescing they could be convalescing
Perfect	V-ing perfect
I could have convalesced you could have convalesced he could have convalesced we could have convalesced you could have convalesced they could have convalesced	I could have been convalescing you could have been convalescing he could have been convalescing we could have been convalescing you could have been convalescing they could have been convalescing

Negation

Simple form	V-ing form
I could not convalesce you could not convalesce he could not convalesce we could not convalesce you could not convalesce they could not convalesce	I could not be convalescing you could not be convalescing he could not be convalescing we could not be convalescing you could not be convalescing they could not be convalescing
Perfect	V-ing perfect
I could not have convalesced you could not have convalesced he could not have convalesced we could not have convalesced you could not have convalesced they could not have convalesced	I could not have been convalescing you could not have been convalescing he could not have been convalescing we could not have been convalescing you could not have been convalescing they could not have been convalescing

Interrogative form

Simple form	V-ing form
could I convalesce? could you convalesce? could he convalesce? could we convalesce? could you convalesce? could they convalesce?	could I be convalescing? could you be convalescing? could he be convalescing? could we be convalescing? could you be convalescing? could they be convalescing?
Perfect	V-ing perfect
could I have convalesced? could you have convalesced? could he have convalesced? could we have convalesced? could you have convalesced? could they have convalesced?	could I have been convalescing? could you have been convalescing? could he have been convalescing? could we have been convalescing? could you have been convalescing? could they have been convalescing?

Interro-negative form

Simple form	V-ing form
could I not convalesce? could you not convalesce? could he not convalesce? could we not convalesce? could you not convalesce? could they not convalesce?	could I not be convalescing? could you not be convalescing? could he not be convalescing? could we not be convalescing? could you not be convalescing? could they not be convalescing?
Perfect	V-ing perfect
could I not have convalesced? could you not have convalesced? could he not have convalesced? could we not have convalesced? could you not have convalesced? could they not have convalesced?	could I not have been convalescing? could you not have been convalescing? could he not have been convalescing? could we not have been convalescing? could you not have been convalescing? could they not have been convalescing?