These sentences are not true. say that it is not so. 1.i shake hands with my teachers. 2.my baby brother says he can do everything very well. 3.the children ski in summer. 4.my friend helps me in everything.

1.I don't shake hands with my
teachers.                                                                                         
 2.My baby brother doesn't say he can do everything very well.                                                           
3.The children don't ski in summer.                                                                                               
4.My friend  doesn't help me in everything.

Удачи!