I can encase you can encase he can encase we can encase you can encase they can encase
V-ing form
I can be encasing you can be encasing he can be encasing we can be encasing you can be encasing they can be encasing
Perfect
I can have encased you can have encased he can have encased we can have encased you can have encased they can have encased
V-ing perfect
I can have been encasing you can have been encasing he can have been encasing we can have been encasing you can have been encasing they can have been encasing
Negation
Simple form
I cannot encase you cannot encase he cannot encase we cannot encase you cannot encase they cannot encase
V-ing form
I cannot be encasing you cannot be encasing he cannot be encasing we cannot be encasing you cannot be encasing they cannot be encasing
Perfect
I cannot have encased you cannot have encased he cannot have encased we cannot have encased you cannot have encased they cannot have encased
V-ing perfect
I cannot have been encasing you cannot have been encasing he cannot have been encasing we cannot have been encasing you cannot have been encasing they cannot have been encasing
Interrogative form
Simple form
can I encase? can you encase? can he encase? can we encase? can you encase? can they encase?
V-ing form
can I be encasing? can you be encasing? can he be encasing? can we be encasing? can you be encasing? can they be encasing?
Perfect
can I have encased? can you have encased? can he have encased? can we have encased? can you have encased? can they have encased?
V-ing perfect
can I have been encasing? can you have been encasing? can he have been encasing? can we have been encasing? can you have been encasing? can they have been encasing?
Interro-negative form
Simple form
can I not encase? can you not encase? can he not encase? can we not encase? can you not encase? can they not encase?
V-ing form
can I not be encasing? can you not be encasing? can he not be encasing? can we not be encasing? can you not be encasing? can they not be encasing?
Perfect
can I not have encased? can you not have encased? can he not have encased? can we not have encased? can you not have encased? can they not have encased?
V-ing perfect
can I not have been encasing? can you not have been encasing? can he not have been encasing? can we not have been encasing? can you not have been encasing? can they not have been encasing?