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 cannot interpose you cannot interpose he cannot interpose we cannot interpose you cannot interpose they cannot interpose
V-ing form
I cannot be interposing you cannot be interposing he cannot be interposing we cannot be interposing you cannot be interposing they cannot be interposing
Perfect
I cannot have interposed you cannot have interposed he cannot have interposed we cannot have interposed you cannot have interposed they cannot have interposed
V-ing perfect
I cannot have been interposing you cannot have been interposing he cannot have been interposing we cannot have been interposing you cannot have been interposing they cannot 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 I not interpose? can you not interpose? can he not interpose? can we not interpose? can you not interpose? can they not interpose?
V-ing form
can I not be interposing? can you not be interposing? can he not be interposing? can we not be interposing? can you not be interposing? can they not be interposing?
Perfect
can I not have interposed? can you not have interposed? can he not have interposed? can we not have interposed? can you not have interposed? can they not have interposed?
V-ing perfect
can I not have been interposing? can you not have been interposing? can he not have been interposing? can we not have been interposing? can you not have been interposing? can they not have been interposing?