I can glimpse you can glimpse he can glimpse we can glimpse you can glimpse they can glimpse
V-ing form
I can be glimpsing you can be glimpsing he can be glimpsing we can be glimpsing you can be glimpsing they can be glimpsing
Perfect
I can have glimpsed you can have glimpsed he can have glimpsed we can have glimpsed you can have glimpsed they can have glimpsed
V-ing perfect
I can have been glimpsing you can have been glimpsing he can have been glimpsing we can have been glimpsing you can have been glimpsing they can have been glimpsing
Negation
Simple form
I can't glimpse you can't glimpse he can't glimpse we can't glimpse you can't glimpse they can't glimpse
V-ing form
I can't be glimpsing you can't be glimpsing he can't be glimpsing we can't be glimpsing you can't be glimpsing they can't be glimpsing
Perfect
I can't have glimpsed you can't have glimpsed he can't have glimpsed we can't have glimpsed you can't have glimpsed they can't have glimpsed
V-ing perfect
I can't have been glimpsing you can't have been glimpsing he can't have been glimpsing we can't have been glimpsing you can't have been glimpsing they can't have been glimpsing
Interrogative form
Simple form
can I glimpse? can you glimpse? can he glimpse? can we glimpse? can you glimpse? can they glimpse?
V-ing form
can I be glimpsing? can you be glimpsing? can he be glimpsing? can we be glimpsing? can you be glimpsing? can they be glimpsing?
Perfect
can I have glimpsed? can you have glimpsed? can he have glimpsed? can we have glimpsed? can you have glimpsed? can they have glimpsed?
V-ing perfect
can I have been glimpsing? can you have been glimpsing? can he have been glimpsing? can we have been glimpsing? can you have been glimpsing? can they have been glimpsing?
Interro-negative form
Simple form
can't I glimpse? can't you glimpse? can't he glimpse? can't we glimpse? can't you glimpse? can't they glimpse?
V-ing form
can't I be glimpsing? can't you be glimpsing? can't he be glimpsing? can't we be glimpsing? can't you be glimpsing? can't they be glimpsing?
Perfect
can't I have glimpsed? can't you have glimpsed? can't he have glimpsed? can't we have glimpsed? can't you have glimpsed? can't they have glimpsed?
V-ing perfect
can't I have been glimpsing? can't you have been glimpsing? can't he have been glimpsing? can't we have been glimpsing? can't you have been glimpsing? can't they have been glimpsing?