English verb conjugation
COULD GLAD

Regular verb: glad - gladed - gladed

Affirmation

Simple form	V-ing form
I could glad you could glad she could glad we could glad you could glad they could glad	I could be glading you could be glading she could be glading we could be glading you could be glading they could be glading
Perfect	V-ing perfect
I could have gladed you could have gladed she could have gladed we could have gladed you could have gladed they could have gladed	I could have been glading you could have been glading she could have been glading we could have been glading you could have been glading they could have been glading

Negation

Simple form	V-ing form
I could not glad you could not glad she could not glad we could not glad you could not glad they could not glad	I could not be glading you could not be glading she could not be glading we could not be glading you could not be glading they could not be glading
Perfect	V-ing perfect
I could not have gladed you could not have gladed she could not have gladed we could not have gladed you could not have gladed they could not have gladed	I could not have been glading you could not have been glading she could not have been glading we could not have been glading you could not have been glading they could not have been glading

Interrogative form

Simple form	V-ing form
could I glad? could you glad? could she glad? could we glad? could you glad? could they glad?	could I be glading? could you be glading? could she be glading? could we be glading? could you be glading? could they be glading?
Perfect	V-ing perfect
could I have gladed? could you have gladed? could she have gladed? could we have gladed? could you have gladed? could they have gladed?	could I have been glading? could you have been glading? could she have been glading? could we have been glading? could you have been glading? could they have been glading?

Interro-negative form

Simple form	V-ing form
could I not glad? could you not glad? could she not glad? could we not glad? could you not glad? could they not glad?	could I not be glading? could you not be glading? could she not be glading? could we not be glading? could you not be glading? could they not be glading?
Perfect	V-ing perfect
could I not have gladed? could you not have gladed? could she not have gladed? could we not have gladed? could you not have gladed? could they not have gladed?	could I not have been glading? could you not have been glading? could she not have been glading? could we not have been glading? could you not have been glading? could they not have been glading?