Pon las siguientes frases en forma negativa del verbo ‘to be’ No uses la forma abreviada.
1) I am a professor.I a professor.
2) They are taxi drivers.They taxi drivers.
3) Kathy is a nurse .Kathy a nurse .
4) Jack is a mechanic.Jack a mechanic.
5) Irene and Janet are cooks.Irene and Janet cooks.
