I can turpentine you can turpentine he can turpentine we can turpentine you can turpentine they can turpentine
V-ing form
I can be turpentining you can be turpentining he can be turpentining we can be turpentining you can be turpentining they can be turpentining
Perfect
I can have turpentined you can have turpentined he can have turpentined we can have turpentined you can have turpentined they can have turpentined
V-ing perfect
I can have been turpentining you can have been turpentining he can have been turpentining we can have been turpentining you can have been turpentining they can have been turpentining
Negation
Simple form
I cannot turpentine you cannot turpentine he cannot turpentine we cannot turpentine you cannot turpentine they cannot turpentine
V-ing form
I cannot be turpentining you cannot be turpentining he cannot be turpentining we cannot be turpentining you cannot be turpentining they cannot be turpentining
Perfect
I cannot have turpentined you cannot have turpentined he cannot have turpentined we cannot have turpentined you cannot have turpentined they cannot have turpentined
V-ing perfect
I cannot have been turpentining you cannot have been turpentining he cannot have been turpentining we cannot have been turpentining you cannot have been turpentining they cannot have been turpentining
Interrogative form
Simple form
can I turpentine? can you turpentine? can he turpentine? can we turpentine? can you turpentine? can they turpentine?
V-ing form
can I be turpentining? can you be turpentining? can he be turpentining? can we be turpentining? can you be turpentining? can they be turpentining?
Perfect
can I have turpentined? can you have turpentined? can he have turpentined? can we have turpentined? can you have turpentined? can they have turpentined?
V-ing perfect
can I have been turpentining? can you have been turpentining? can he have been turpentining? can we have been turpentining? can you have been turpentining? can they have been turpentining?
Interro-negative form
Simple form
can I not turpentine? can you not turpentine? can he not turpentine? can we not turpentine? can you not turpentine? can they not turpentine?
V-ing form
can I not be turpentining? can you not be turpentining? can he not be turpentining? can we not be turpentining? can you not be turpentining? can they not be turpentining?
Perfect
can I not have turpentined? can you not have turpentined? can he not have turpentined? can we not have turpentined? can you not have turpentined? can they not have turpentined?
V-ing perfect
can I not have been turpentining? can you not have been turpentining? can he not have been turpentining? can we not have been turpentining? can you not have been turpentining? can they not have been turpentining?