I can glow you can glow she can glow we can glow you can glow they can glow
V-ing form
I can be glowing you can be glowing she can be glowing we can be glowing you can be glowing they can be glowing
Perfect
I can have glowed you can have glowed she can have glowed we can have glowed you can have glowed they can have glowed
V-ing perfect
I can have been glowing you can have been glowing she can have been glowing we can have been glowing you can have been glowing they can have been glowing
Negation
Simple form
I can't glow you can't glow she can't glow we can't glow you can't glow they can't glow
V-ing form
I can't be glowing you can't be glowing she can't be glowing we can't be glowing you can't be glowing they can't be glowing
Perfect
I can't have glowed you can't have glowed she can't have glowed we can't have glowed you can't have glowed they can't have glowed
V-ing perfect
I can't have been glowing you can't have been glowing she can't have been glowing we can't have been glowing you can't have been glowing they can't have been glowing
Interrogative form
Simple form
can I glow? can you glow? can she glow? can we glow? can you glow? can they glow?
V-ing form
can I be glowing? can you be glowing? can she be glowing? can we be glowing? can you be glowing? can they be glowing?
Perfect
can I have glowed? can you have glowed? can she have glowed? can we have glowed? can you have glowed? can they have glowed?
V-ing perfect
can I have been glowing? can you have been glowing? can she have been glowing? can we have been glowing? can you have been glowing? can they have been glowing?
Interro-negative form
Simple form
can't I glow? can't you glow? can't she glow? can't we glow? can't you glow? can't they glow?
V-ing form
can't I be glowing? can't you be glowing? can't she be glowing? can't we be glowing? can't you be glowing? can't they be glowing?
Perfect
can't I have glowed? can't you have glowed? can't she have glowed? can't we have glowed? can't you have glowed? can't they have glowed?
V-ing perfect
can't I have been glowing? can't you have been glowing? can't she have been glowing? can't we have been glowing? can't you have been glowing? can't they have been glowing?