Употребите can или to be able 1.Я не мог ответить на его во Я не смог ответить на его во Он смог бы перевести этот текст , но не захотел.Он смог перевести этот текст. Он был не очень трудным.
1. I couldn't answer his question. I couldn't answer his question. 2 He could have translated the text , but did not want to.He was able to translate this text. It wasn't very difficult.
1. I couldn't answer his question. I couldn't answer his question. 2 He could have translated the text , but did not want to.He was able to translate this text. It wasn't very difficult.