this language will be quite the challenge.
ev— (the) house
evler— (the) houses
evin— your (sing.) house
eviniz— your (pl./formal) house
evim— my house
evimde— at my house
evlerinizin— of your houses
evlerinizden— from your houses
evlerinizdendi— (he/she/it) was from your houses
evlerinizdenmiş— (he/she/it) was (apparently/said to be) from your houses
Evinizdeyim.— I am at your house.
Evinizdeymişim.— I was (apparently) at your house.
Evinizde miyim?— Am I at your house?