Ребят,вот ещё одно задание, пж помогите. Надо отыскать ошибку:1)We are listening

Ребят,вот ещё одно задание, пж помогите. Надобно отыскать ошибку:
1)We are listening to the teacher.
2)Iam writing on the paper
3)You are lcarning Lnglish Grammai.
4)It is raining hard (очень).
5)He is going to the cinema.
6)The horses are running very fast.
7)Mary is helping her mother to cook.
8)Tom's brother is coming to the party. 9)You are singing well.
10)They are haying dinne:.