译林牛津版高一英语教学（必修2）Unit1课件 Grammar.pptVIP

The disappearance of Justin __________ (make)Kelly very unhappy. My life’s work (2) have been talking (3) have been taking (4) have been studying (5) have seen (6) have been writing Answers on page 11 A (1)heard (2) been doing (3) been researching (4) done (5) started (6) achieved (7) read (8) found (9) started (10) been drawing (11) been making He has been waiting at a bus stop in a city. 2. They have been traveling in an UFO. It looks like a saucer. 3. They probably have talked to animals or plants on Earth as well as creatures on other plants. 4. They have visited Mars, Venus, Jupiter and some other planets. Sample answers on page 11 part B How long have you learnt English? Or How long have you been learning English? It has snowed for a long time. It has been snowing for a long time. Both present perfect tense and present perfect continuous tense An action which began in the past and is still continuing or has only just finished can, with certain verbs, be expressed by either the present perfect or present perfect continuous. Verbs which can be used in this way include expect, hope, learn, lie, live, sleep, sit, study, wait, want, rain, etc. 1. ___ that dress when I first saw you at the station? A. Were you wearing B. Have you worn C. Did you wear D. Do you wear 即时训练 2. ―Kate doesn’t look very well. What’s wrong with her? ― She has a headache because she ___ too long; she ought to stop work. A. has been reading B. had read C. is reading D. was reading * Grammar and usage The form of the Present perfect tense We form the present perfect tense with have/has and the past participle of the verb. have (has) +过去分词 has made We use the present perfect tense to talk about things that happened in the recent past, but are connected to the present. Note: The uses of the present perfect