I can silt you can silt he can silt we can silt you can silt they can silt
V-ing form
I can be silting you can be silting he can be silting we can be silting you can be silting they can be silting
Perfect
I can have silted you can have silted he can have silted we can have silted you can have silted they can have silted
V-ing perfect
I can have been silting you can have been silting he can have been silting we can have been silting you can have been silting they can have been silting
Negation
Simple form
I can't silt you can't silt he can't silt we can't silt you can't silt they can't silt
V-ing form
I can't be silting you can't be silting he can't be silting we can't be silting you can't be silting they can't be silting
Perfect
I can't have silted you can't have silted he can't have silted we can't have silted you can't have silted they can't have silted
V-ing perfect
I can't have been silting you can't have been silting he can't have been silting we can't have been silting you can't have been silting they can't have been silting
Interrogative form
Simple form
can I silt? can you silt? can he silt? can we silt? can you silt? can they silt?
V-ing form
can I be silting? can you be silting? can he be silting? can we be silting? can you be silting? can they be silting?
Perfect
can I have silted? can you have silted? can he have silted? can we have silted? can you have silted? can they have silted?
V-ing perfect
can I have been silting? can you have been silting? can he have been silting? can we have been silting? can you have been silting? can they have been silting?
Interro-negative form
Simple form
can't I silt? can't you silt? can't he silt? can't we silt? can't you silt? can't they silt?
V-ing form
can't I be silting? can't you be silting? can't he be silting? can't we be silting? can't you be silting? can't they be silting?
Perfect
can't I have silted? can't you have silted? can't he have silted? can't we have silted? can't you have silted? can't they have silted?
V-ing perfect
can't I have been silting? can't you have been silting? can't he have been silting? can't we have been silting? can't you have been silting? can't they have been silting?