English verb conjugation
CAN GLASS

Regular verb: glass - glassed - glassed

Affirmation

Simple form	V-ing form
I can glass you can glass she can glass we can glass you can glass they can glass	I can be glassing you can be glassing she can be glassing we can be glassing you can be glassing they can be glassing
Perfect	V-ing perfect
I can have glassed you can have glassed she can have glassed we can have glassed you can have glassed they can have glassed	I can have been glassing you can have been glassing she can have been glassing we can have been glassing you can have been glassing they can have been glassing

Negation

Simple form	V-ing form
I can't glass you can't glass she can't glass we can't glass you can't glass they can't glass	I can't be glassing you can't be glassing she can't be glassing we can't be glassing you can't be glassing they can't be glassing
Perfect	V-ing perfect
I can't have glassed you can't have glassed she can't have glassed we can't have glassed you can't have glassed they can't have glassed	I can't have been glassing you can't have been glassing she can't have been glassing we can't have been glassing you can't have been glassing they can't have been glassing

Interrogative form

Simple form	V-ing form
can I glass? can you glass? can she glass? can we glass? can you glass? can they glass?	can I be glassing? can you be glassing? can she be glassing? can we be glassing? can you be glassing? can they be glassing?
Perfect	V-ing perfect
can I have glassed? can you have glassed? can she have glassed? can we have glassed? can you have glassed? can they have glassed?	can I have been glassing? can you have been glassing? can she have been glassing? can we have been glassing? can you have been glassing? can they have been glassing?

Interro-negative form

Simple form	V-ing form
can't I glass? can't you glass? can't she glass? can't we glass? can't you glass? can't they glass?	can't I be glassing? can't you be glassing? can't she be glassing? can't we be glassing? can't you be glassing? can't they be glassing?
Perfect	V-ing perfect
can't I have glassed? can't you have glassed? can't she have glassed? can't we have glassed? can't you have glassed? can't they have glassed?	can't I have been glassing? can't you have been glassing? can't she have been glassing? can't we have been glassing? can't you have been glassing? can't they have been glassing?