EgThesongwasahitatonce这首歌马上流行起来.doc

Teaching Plan of Unit 6 (Book I) LANGUAGE STRUCTURES Main teaching point: The adverbial clause of time introduced by 1. when 2. before 3. since 4. until Grammar points: You’ll see John when you go to Beijing next week. A) The above sentence refers to the future, but the verb in the when-clause is in the simple present tense. The same rule applies if the connective is before, as soon as, until, if, unless, although, even if, in case, though, so long as, whatever, wherever etc. E.g. When he arrives he’ll tell us all about the match. Before she arrives we’ll give the children their tea. We’ll have a rest after we finish the job. We’ll go climbing the mountain even if it rains. B) Other types of simple present tense referring to the future a. The that –clause following “I hope”, “I bet”, etc. E.g. I hope you have a good time. I hope she likes the flowers. I bet it rains tomorrow. b. The –clause following such constructions as “see to it”, “make sure”, “make certain” I’ll see (to it) /make sure/ make certain (that) you don’t get lost. You saw John when you went to Beijing last month. The above sentence refers to the past. Both verbs are in the simple past tense. E.g. She watched TV after she went home. He trembled as soon as he saw his boss. I’ve been playing the piano since I was a child. The verb/ verb phrase in the since clause is usually in the simple past. When the connective is since, the verb/verb phrases in the main clause, when referring to an action, is usually in the present perfect or the present perfect progressive form; when referring to time, however, it is usually in the simple tense. E.g. I’ve worked here since I left school. He has been studying linguistics since he went to the United States. It’s three month since he wrote to me. 2) Compare the two sentences: It’s ten years since I began to play the piano. I’ve been playing the piano for ten years. Since indicates a starting pointing in time, whereas for indicates the dura