КАТЕГОРИИ: Архитектура-(3434)Астрономия-(809)Биология-(7483)Биотехнологии-(1457)Военное дело-(14632)Высокие технологии-(1363)География-(913)Геология-(1438)Государство-(451)Демография-(1065)Дом-(47672)Журналистика и СМИ-(912)Изобретательство-(14524)Иностранные языки-(4268)Информатика-(17799)Искусство-(1338)История-(13644)Компьютеры-(11121)Косметика-(55)Кулинария-(373)Культура-(8427)Лингвистика-(374)Литература-(1642)Маркетинг-(23702)Математика-(16968)Машиностроение-(1700)Медицина-(12668)Менеджмент-(24684)Механика-(15423)Науковедение-(506)Образование-(11852)Охрана труда-(3308)Педагогика-(5571)Полиграфия-(1312)Политика-(7869)Право-(5454)Приборостроение-(1369)Программирование-(2801)Производство-(97182)Промышленность-(8706)Психология-(18388)Религия-(3217)Связь-(10668)Сельское хозяйство-(299)Социология-(6455)Спорт-(42831)Строительство-(4793)Торговля-(5050)Транспорт-(2929)Туризм-(1568)Физика-(3942)Философия-(17015)Финансы-(26596)Химия-(22929)Экология-(12095)Экономика-(9961)Электроника-(8441)Электротехника-(4623)Энергетика-(12629)Юриспруденция-(1492)Ядерная техника-(1748) |
Positive and negative question. Present Perfect and past Simple
PRESENT PERFECT AND PAST SIMPLE Grammar Study
1. In English Present Perfect is essentially a present tense, but it also expresses the effect of past action and activities on the present.
Present Perfect does not express when an action happened. (If we say the exact time, we have to use Part Simple). e.g. In my life I have traveled to all five continents (Present Perfect). I traveled round Africa in 1988 (Past Simple).
2. Present Perfect has 3 main uses: a) It expresses an action which began in the past and still continues. e.g. We’ ve lived in the same house for 25 years. b) It expresses an experience that happened at some time in one’s live. The action is in the past and finished, but the effect of the action is still felt. When the action happened is not important. e.g. I’ ve been to the States (I still remember). c) It expresses a past action that has a present result. The action is usually in the recent past. e.g. The taxi hasn’t arrived (We’re still waiting for it).
3. Note the adverbs that are common with Present Perfect.
Table 1. The Grammatical Forms of Present Perfect
Дата добавления: 2015-03-31; Просмотров: 603; Нарушение авторских прав?; Мы поможем в написании вашей работы! Нам важно ваше мнение! Был ли полезен опубликованный материал? Да | Нет |