English verb conjugation
COULD OVERCROWD

Regular verb: overcrowd - overcrowded - overcrowded

Affirmation

Simple form	V-ing form
I could overcrowd you could overcrowd she could overcrowd we could overcrowd you could overcrowd they could overcrowd	I could be overcrowding you could be overcrowding she could be overcrowding we could be overcrowding you could be overcrowding they could be overcrowding
Perfect	V-ing perfect
I could have overcrowded you could have overcrowded she could have overcrowded we could have overcrowded you could have overcrowded they could have overcrowded	I could have been overcrowding you could have been overcrowding she could have been overcrowding we could have been overcrowding you could have been overcrowding they could have been overcrowding

Negation

Simple form	V-ing form
I could not overcrowd you could not overcrowd she could not overcrowd we could not overcrowd you could not overcrowd they could not overcrowd	I could not be overcrowding you could not be overcrowding she could not be overcrowding we could not be overcrowding you could not be overcrowding they could not be overcrowding
Perfect	V-ing perfect
I could not have overcrowded you could not have overcrowded she could not have overcrowded we could not have overcrowded you could not have overcrowded they could not have overcrowded	I could not have been overcrowding you could not have been overcrowding she could not have been overcrowding we could not have been overcrowding you could not have been overcrowding they could not have been overcrowding

Interrogative form

Simple form	V-ing form
could I overcrowd? could you overcrowd? could she overcrowd? could we overcrowd? could you overcrowd? could they overcrowd?	could I be overcrowding? could you be overcrowding? could she be overcrowding? could we be overcrowding? could you be overcrowding? could they be overcrowding?
Perfect	V-ing perfect
could I have overcrowded? could you have overcrowded? could she have overcrowded? could we have overcrowded? could you have overcrowded? could they have overcrowded?	could I have been overcrowding? could you have been overcrowding? could she have been overcrowding? could we have been overcrowding? could you have been overcrowding? could they have been overcrowding?

Interro-negative form

Simple form	V-ing form
could I not overcrowd? could you not overcrowd? could she not overcrowd? could we not overcrowd? could you not overcrowd? could they not overcrowd?	could I not be overcrowding? could you not be overcrowding? could she not be overcrowding? could we not be overcrowding? could you not be overcrowding? could they not be overcrowding?
Perfect	V-ing perfect
could I not have overcrowded? could you not have overcrowded? could she not have overcrowded? could we not have overcrowded? could you not have overcrowded? could they not have overcrowded?	could I not have been overcrowding? could you not have been overcrowding? could she not have been overcrowding? could we not have been overcrowding? could you not have been overcrowding? could they not have been overcrowding?