If.
Adi ay maphod di ihābal'u at munhināang amih tawon.
If (the crops) I am tending are not good we will be hungry this year.
The realization of the state or action of the second sentence is contingent upon the validity of the state or action expressed in the first sentence. Before the verb, ay3 is often preceded by un:
Un ay ni' umāli'a, oya umuyta mumbobo''a.
If you will kindly come, we will go to dig sweet potatoes.
See sec. 7.26.2.3.