English verb conjugation COULD GLASS

Regular verb: glass - glassed - glassed

Affirmation

Simple form

I could glass
you could glass
she could glass
we could glass
you could glass
they could glass

V-ing form

I could be glassing
you could be glassing
she could be glassing
we could be glassing
you could be glassing
they could be glassing

Perfect

I could have glassed
you could have glassed
she could have glassed
we could have glassed
you could have glassed
they could have glassed

V-ing perfect

I could have been glassing
you could have been glassing
she could have been glassing
we could have been glassing
you could have been glassing
they could have been glassing

Negation

Simple form

I could not glass
you could not glass
she could not glass
we could not glass
you could not glass
they could not glass

V-ing form

I could not be glassing
you could not be glassing
she could not be glassing
we could not be glassing
you could not be glassing
they could not be glassing

Perfect

I could not have glassed
you could not have glassed
she could not have glassed
we could not have glassed
you could not have glassed
they could not have glassed

V-ing perfect

I could not have been glassing
you could not have been glassing
she could not have been glassing
we could not have been glassing
you could not have been glassing
they could not have been glassing

Interrogative form

Simple form

could I glass?
could you glass?
could she glass?
could we glass?
could you glass?
could they glass?

V-ing form

could I be glassing?
could you be glassing?
could she be glassing?
could we be glassing?
could you be glassing?
could they be glassing?

Perfect

could I have glassed?
could you have glassed?
could she have glassed?
could we have glassed?
could you have glassed?
could they have glassed?

V-ing perfect

could I have been glassing?
could you have been glassing?
could she have been glassing?
could we have been glassing?
could you have been glassing?
could they have been glassing?

Interro-negative form

Simple form

could I not glass?
could you not glass?
could she not glass?
could we not glass?
could you not glass?
could they not glass?

V-ing form

could I not be glassing?
could you not be glassing?
could she not be glassing?
could we not be glassing?
could you not be glassing?
could they not be glassing?

Perfect

could I not have glassed?
could you not have glassed?
could she not have glassed?
could we not have glassed?
could you not have glassed?
could they not have glassed?

V-ing perfect

could I not have been glassing?
could you not have been glassing?
could she not have been glassing?
could we not have been glassing?
could you not have been glassing?
could they not have been glassing?

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