tailieunhanh - OXFORD PRACTICE GRAMMAR 21

OXFORD PRACTICE GRAMMAR-21 sau đây là giáo trình lý thuyết tiếng anh và bài tập áp dụng từ cơ bản đến nâng cao , nhằm giúp các bạn có thể tự mình ôn tập và củng cố thêm về nền tảng kiến thức môn Anh văn , tự tin đạt kết quả tốt trong kỳ thi ngoại ngữ | OXFORD PRACTICE GRAMMAR 21 REVIEW OF PRESENT AND PAST TENSES A Introduction Study the verb forms. Claire is ready to go on safari. Present continuous She is waiting for her guide. Present simple She goes on holiday a lot. Present perfect She has bought a safari suit. Present perfect continuous She has been planning her trip for months. Past simple She bought the suit last week. Past continuous She was going past Harrods when she saw it in the window. Past perfect She had already decided that she needed a safari suit. Past perfect continuous She had been looking for one for a week or two. B I am doing or I do Unit 6 PRESENT CONTINUOUS PRESENT SIMPLE We use the present continuous for an action now We use the present simple for repeated actions something we are in the middle of. things that happen again and again. am writing a letter. write home every week. Claire is wearing a safari suit. Tom never wears smart clothes. We re getting lunch now. We usually get lunch at about one. We use the present continuous for a feeling over a We normally use the present simple for thought short period of time. and feelings and for states and permanent facts. Vicky is liking her course much better this year. Claire likes holidays. Four times twelve makes forty-eight. We use the present continuous for a temporary We use the present simple for a permanent situation or routine. situation or routine. I m very busy at the moment so I m getting up I usually get up quite late early this week. C I have done or I did Units 14-15 PRESENT PERFECT PAST SIMPLE The present perfect tells us about the past and the The past simple tells us about the past a time present. which is finished. They have locked the door. No one can get in. They locked the door at ten o clock last night. We use the present perfect for a state which has We use the past simple for a state in the past gone on up to the present. I ve known him for ages. He s an old friend. I knew him when we were at college together. We use .