Tham khảo tài liệu 'phương pháp trong cấu trúc ngữ pháp 6', ngoại ngữ, anh ngữ phổ thông phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Key Write 2 1 . for five years . 2 . here since 1984. 3 . him for six years. 4 . a letter for weeks. 5 . a letter since last week. 6 . jazz since I was a boy. Till or until and by 1 till 2 till 3 by 4 till 5 by 6 by 7 till During in and for 1 during in 2 during 3 during in 4 during in 5 during in 6 for 7 during 8 during 9 during 10during in 11 during in 12 for Context 1 ago 2 For 3 since 4 during or in 5 since 6 till 7 by 8 till 9 by 10 during 11 for 12 till Adverbs of frequency Position of adverbs of frequency often in affirmatives and questions Possible answers 1 I am generally late. 2 I was usually late for work. 3 I can always tell the difference between the two. 4 I would never have been able to find a job like yours. 5 You seldom tried hard enough. 6 You sometimes got good marks at school. 7 Are you often late 8 Have you always lived in this town 9 Did you ever get good marks at school The position of adverbs of frequency in negative statements 1 Public transport isn t always reliable. 2 He wasn t often late when he worked here. He often wasn t. 3 She doesn t usually arrive on time. She usually doesn t . 4 She sometimes doesn t arrive on time. 5 We don t normally worry if the children are late. Or H e normally don t. 6 You hardly ever phone. 7 We don t generally complain. We generally don t. 8 You re sometimes not at home when I phone. You sometimes aren t. Adverbs of frequency at the beginning of a sentence 1a I often bring work home from the office. b Often I bring work home from the office. 2a John normally leaves home before his wife does. b Normally John leaves home before his wife does. 3a I have frequently forgotten to lock the back door. b Frequently I have forgotten to lock the back door. 4a I usually know when to wake up. b Usually I know when to wake up. 5a I m generally the one who pays the bills. b Generally I m the one who pays the bills. 6a The traffic is often heavy in the mornings. b Often the .
