I can counterquestion you can counterquestion he can counterquestion we can counterquestion you can counterquestion they can counterquestion
V-ing form
I can be counterquestioning you can be counterquestioning he can be counterquestioning we can be counterquestioning you can be counterquestioning they can be counterquestioning
Perfect
I can have counterquestioned you can have counterquestioned he can have counterquestioned we can have counterquestioned you can have counterquestioned they can have counterquestioned
V-ing perfect
I can have been counterquestioning you can have been counterquestioning he can have been counterquestioning we can have been counterquestioning you can have been counterquestioning they can have been counterquestioning
Negation
Simple form
I cannot counterquestion you cannot counterquestion he cannot counterquestion we cannot counterquestion you cannot counterquestion they cannot counterquestion
V-ing form
I cannot be counterquestioning you cannot be counterquestioning he cannot be counterquestioning we cannot be counterquestioning you cannot be counterquestioning they cannot be counterquestioning
Perfect
I cannot have counterquestioned you cannot have counterquestioned he cannot have counterquestioned we cannot have counterquestioned you cannot have counterquestioned they cannot have counterquestioned
V-ing perfect
I cannot have been counterquestioning you cannot have been counterquestioning he cannot have been counterquestioning we cannot have been counterquestioning you cannot have been counterquestioning they cannot have been counterquestioning
Interrogative form
Simple form
can I counterquestion? can you counterquestion? can he counterquestion? can we counterquestion? can you counterquestion? can they counterquestion?
V-ing form
can I be counterquestioning? can you be counterquestioning? can he be counterquestioning? can we be counterquestioning? can you be counterquestioning? can they be counterquestioning?
Perfect
can I have counterquestioned? can you have counterquestioned? can he have counterquestioned? can we have counterquestioned? can you have counterquestioned? can they have counterquestioned?
V-ing perfect
can I have been counterquestioning? can you have been counterquestioning? can he have been counterquestioning? can we have been counterquestioning? can you have been counterquestioning? can they have been counterquestioning?
Interro-negative form
Simple form
can I not counterquestion? can you not counterquestion? can he not counterquestion? can we not counterquestion? can you not counterquestion? can they not counterquestion?
V-ing form
can I not be counterquestioning? can you not be counterquestioning? can he not be counterquestioning? can we not be counterquestioning? can you not be counterquestioning? can they not be counterquestioning?
Perfect
can I not have counterquestioned? can you not have counterquestioned? can he not have counterquestioned? can we not have counterquestioned? can you not have counterquestioned? can they not have counterquestioned?
V-ing perfect
can I not have been counterquestioning? can you not have been counterquestioning? can he not have been counterquestioning? can we not have been counterquestioning? can you not have been counterquestioning? can they not have been counterquestioning?