Koelle ati Bleek so wi pe opolopo eya ede ti awon eniyan iwo oorun Afirika n so ni o ni oro oruko ti a seda nipa afomo ibere.. 
Èyí ìbéèrè ni tàbí bẹ́ẹ̀ kò (i) (Yes or no question) (2) Information Word question  (3) inDirect Question.. 