Сделайте эти предложения вопросительными и отрицательными. перевести на русский. 1) The firm can pay its debts. 2) You should use another approach. 3) They have to change the plan to the experiment. 4) The researcher is able to describe the aim of his investigation. 5) The students must have exams twice a year.
1) Can the firm not pay its debts? 2) Shouldn't you use another approach? 3) Don't they have to change the plan to the experiment? 4) Is the researcher unable to describe the aim of his investigation? 5) Must the students not have exams twice a year?
1) Can the firm not pay its debts?
2) Shouldn't you use another approach?
3) Don't they have to change the plan to the experiment?
4) Is the researcher unable to describe the aim of his investigation?
5) Must the students not have exams twice a year?