Bonsoir j'ai un travail d'anglais à rendre demain sur une enquête policière.pouvez-vous me corriger mes erreurs s'il y en a et me dire comment ameliorer mes phr

Bonsoir j'ai un travail d'anglais à rendre demain sur une enquête policière.pouvez-vous me corriger mes erreurs s'il y en a et me dire comment
ameliorer mes phrases.SVPce travail doit etre au Prétérit
INSPECTOR: Hi ! i'm inspector Marple ! i insvatigate the crime commited the
last night.
NEIGHBOUR: hi! Come in ! What happened ?
INSPECTOR: someone murdered miss LESPANAYE ans her daughter Camille! did
you saw or heard something?
NEIGHBOUR: No! nothing! Where the scene took place ?
INSPECTOR: Here! In this building!
NEIGHBOUR: OH MY GOD ! It's horrible!!! Really i didn't know! Believe me !
NSPECTOR: Where were you when the crime took place, at around 3 o'clock ?
NEIGHBOUR: yesterday, i was shopping with my friends, then we went to
cinema and we were watching a new film at around 8 o'clock p.m. Later at
about 10 o'lock p.m we were dinning whith teyre in the Grandview place, the
number 17! After dinner, at 1 a.m a went in myfriend's home until 4 o'clock
!
iNSPECTOR: Hummm... Okay! Did you know the victim ?
NEIGHBOUR : No, not really, because they were very discreet and i think
they didn't spoke with somebody! Tey respected their privacy!
iNSPECTOR: Ok! to finish to you have a justificative?
NEIGHBOUR Yes I have!
iNSPECTOR: Ok! give me theire! thanks you so much! Called me at this number
if you remember something! Good bye!Pouvez vous m'aider sur l'orthographe, grammaire...
et me dire si mes phrases sont correctes et éventuellement s'il y a besoin
de faire des modifications
merci