Pergunta:
Coloque as frases abaixo na forma negativa: 1) 1 am working at present. n.: 2) He is answering the exercise now. n.: 3) You are learning new words. n.:
Respostas
1) I am not working at present.
2) He isn´t answering the exercise now.
3) You aren´t learning new words.
Explicação: