Определите видо-временную форму глагола в следующих предложениях:
1. The American High school offers a wide variety of courses.
2. If the student fails a course he repeats only that course.
3. England had no other universities, apart from Oxford and Cambridge, until the 19th century.
4. They were still arguing when I entered the room.
5. He had recoveres by the time I returned from my leave.
6. He will have worked as a teacher for 20 years by next September.
1) present simple;
2) present simple;
3) past simple;
4) past continues;
5) если здесь ошибка (recovered) тогда past perfect;
6) future perfect tense.