I can interpose you can interpose he can interpose we can interpose you can interpose they can interpose
V-ing form
I can be interposing you can be interposing he can be interposing we can be interposing you can be interposing they can be interposing
Perfect
I can have interposed you can have interposed he can have interposed we can have interposed you can have interposed they can have interposed
V-ing perfect
I can have been interposing you can have been interposing he can have been interposing we can have been interposing you can have been interposing they can have been interposing
Negation
Simple form
I can't interpose you can't interpose he can't interpose we can't interpose you can't interpose they can't interpose
V-ing form
I can't be interposing you can't be interposing he can't be interposing we can't be interposing you can't be interposing they can't be interposing
Perfect
I can't have interposed you can't have interposed he can't have interposed we can't have interposed you can't have interposed they can't have interposed
V-ing perfect
I can't have been interposing you can't have been interposing he can't have been interposing we can't have been interposing you can't have been interposing they can't have been interposing
Interrogative form
Simple form
can I interpose? can you interpose? can he interpose? can we interpose? can you interpose? can they interpose?
V-ing form
can I be interposing? can you be interposing? can he be interposing? can we be interposing? can you be interposing? can they be interposing?
Perfect
can I have interposed? can you have interposed? can he have interposed? can we have interposed? can you have interposed? can they have interposed?
V-ing perfect
can I have been interposing? can you have been interposing? can he have been interposing? can we have been interposing? can you have been interposing? can they have been interposing?
Interro-negative form
Simple form
can't I interpose? can't you interpose? can't he interpose? can't we interpose? can't you interpose? can't they interpose?
V-ing form
can't I be interposing? can't you be interposing? can't he be interposing? can't we be interposing? can't you be interposing? can't they be interposing?
Perfect
can't I have interposed? can't you have interposed? can't he have interposed? can't we have interposed? can't you have interposed? can't they have interposed?
V-ing perfect
can't I have been interposing? can't you have been interposing? can't he have been interposing? can't we have been interposing? can't you have been interposing? can't they have been interposing?