I could socialize you could socialize he could socialize we could socialize you could socialize they could socialize
V-ing form
I could be socializing you could be socializing he could be socializing we could be socializing you could be socializing they could be socializing
Perfect
I could have socialized you could have socialized he could have socialized we could have socialized you could have socialized they could have socialized
V-ing perfect
I could have been socializing you could have been socializing he could have been socializing we could have been socializing you could have been socializing they could have been socializing
Negation
Simple form
I could not socialize you could not socialize he could not socialize we could not socialize you could not socialize they could not socialize
V-ing form
I could not be socializing you could not be socializing he could not be socializing we could not be socializing you could not be socializing they could not be socializing
Perfect
I could not have socialized you could not have socialized he could not have socialized we could not have socialized you could not have socialized they could not have socialized
V-ing perfect
I could not have been socializing you could not have been socializing he could not have been socializing we could not have been socializing you could not have been socializing they could not have been socializing
Interrogative form
Simple form
could I socialize? could you socialize? could he socialize? could we socialize? could you socialize? could they socialize?
V-ing form
could I be socializing? could you be socializing? could he be socializing? could we be socializing? could you be socializing? could they be socializing?
Perfect
could I have socialized? could you have socialized? could he have socialized? could we have socialized? could you have socialized? could they have socialized?
V-ing perfect
could I have been socializing? could you have been socializing? could he have been socializing? could we have been socializing? could you have been socializing? could they have been socializing?
Interro-negative form
Simple form
could I not socialize? could you not socialize? could he not socialize? could we not socialize? could you not socialize? could they not socialize?
V-ing form
could I not be socializing? could you not be socializing? could he not be socializing? could we not be socializing? could you not be socializing? could they not be socializing?
Perfect
could I not have socialized? could you not have socialized? could he not have socialized? could we not have socialized? could you not have socialized? could they not have socialized?
V-ing perfect
could I not have been socializing? could you not have been socializing? could he not have been socializing? could we not have been socializing? could you not have been socializing? could they not have been socializing?