牛津译林版高中英语必修二unit1talesoftheunexplainedgrammarandusage课件

牛津译林版高中英语必修二unit1talesoftheunexplainedgrammarandusage课件内容摘要：

(8) __________ (9) ____________ (10) ____________ (11) ___________ Answers for the diary: saw has visited loves hasn’t visited has seen has never met has travelled has found hasn’t found Has, been Look at the sentences: Sorry. Have you been waiting long? I have been waiting for an hour. Past One hour ago Present waiting arrive 1. The form of the present perfect continuous tense： We form the present perfect continuous tense with have/has been and the present participle of the verb. have (has) +been + doing 2. The uses of the present perfect continuous tense: We sometimes use the present perfect continuous tense to talk about actions that started in the past and are still continuing, or have just finished but are still connected to the present in some way. Answers of Dr Frank’s website: (2) ______________ (3) ______________ (4)_______________ (5) _____________ (6) ______________ have been talking have been talking have been studying have seen have been writing This is the website of Dr Frank. Fill in the missing words, using the correct tense. Present perfect or present perfect continuous tense? She is still reading the book. Li Jia has been reading a book about Stonehenge. Li Jia has read a book about Stonehenge. She finished reading the book. She knows the content of the book now. Note: We use the present perfect tense to talk about an action pleted in the recent past, and the present prefect continuous tense for an action that started in the past and is still happening. I have visited Egypt twice this month. I have been touring Egypt for two months. Note: The present perfect continuous tense can’t be used with time expressions such as twice or how many times, because in this tense the action is continuous, not stopped and started again. We can use the present perfect tense for repeated actions, and the present perfect continuous tense for nonstop actions. How many times have you swum in the lake? How long have you been swimming in the lake? Note: We usually use the present perfect tense to ask questions beginning w。