I could glove you could glove he could glove we could glove you could glove they could glove
V-ing form
I could be gloving you could be gloving he could be gloving we could be gloving you could be gloving they could be gloving
Perfect
I could have gloved you could have gloved he could have gloved we could have gloved you could have gloved they could have gloved
V-ing perfect
I could have been gloving you could have been gloving he could have been gloving we could have been gloving you could have been gloving they could have been gloving
Negation
Simple form
I could not glove you could not glove he could not glove we could not glove you could not glove they could not glove
V-ing form
I could not be gloving you could not be gloving he could not be gloving we could not be gloving you could not be gloving they could not be gloving
Perfect
I could not have gloved you could not have gloved he could not have gloved we could not have gloved you could not have gloved they could not have gloved
V-ing perfect
I could not have been gloving you could not have been gloving he could not have been gloving we could not have been gloving you could not have been gloving they could not have been gloving
Interrogative form
Simple form
could I glove? could you glove? could he glove? could we glove? could you glove? could they glove?
V-ing form
could I be gloving? could you be gloving? could he be gloving? could we be gloving? could you be gloving? could they be gloving?
Perfect
could I have gloved? could you have gloved? could he have gloved? could we have gloved? could you have gloved? could they have gloved?
V-ing perfect
could I have been gloving? could you have been gloving? could he have been gloving? could we have been gloving? could you have been gloving? could they have been gloving?
Interro-negative form
Simple form
could I not glove? could you not glove? could he not glove? could we not glove? could you not glove? could they not glove?
V-ing form
could I not be gloving? could you not be gloving? could he not be gloving? could we not be gloving? could you not be gloving? could they not be gloving?
Perfect
could I not have gloved? could you not have gloved? could he not have gloved? could we not have gloved? could you not have gloved? could they not have gloved?
V-ing perfect
could I not have been gloving? could you not have been gloving? could he not have been gloving? could we not have been gloving? could you not have been gloving? could they not have been gloving?