外研版中考英语第13讲八年级下册modules3-4课件

外研版中考英语第13讲八年级下册modules3-4课件内容摘要：

D． Were there (3)There __B__ great changes in such kind of PDAs(掌上电脑 ) in the last few years.(2020， 平凉 ) A． was been B． have been C． has had D． have had 2． Since 1989 Project Hope has built schools all over China.自从 1989年以来 ， 希望工程已经在全国建了学校。 【 典例在线 】 Since 2020， China has sent six spaceships into 2020年以来 ， 中国已发送 6艘宇宙飞船进入太空。 The film has been on for an。 It39。 s ten years since he became a 始到现在已有 10年了。 【 拓展精析 】 现在完成时： for后接表示一段时间的词或短语 ， 如 for 5 years。 since后接表示过去某一时间的词或短语 (如 since last month)， 也可接表示过去的句子 (如 since he came to China)。 即： for＋时间段； since＋时间点。 当与 how long， for， since连用时 ， 句中的动词要用延续性动词；短暂性动词须换成延续性动词或表状态的形容词或介词短语。 如： e→ be in； leave→ be away； open→ be open； close→ be closed； begin/start→ be on； borrow→ keep； buy→ have等。 it is＋时间段＋ since＋从句 (一般过去时 )， 意为 “ 自从„„ 到现在已有多长时间了 ”。 【 活学活用 】 (4)—I wonder when you __C__ the new watch.(2020， 随州 ) —Well， I ________ it for two weeks. A． have bought； have had B． bought； have bought C． bought； have had D． have bought； have bought (5)—When will A Bite of China Ⅱ begin tonight? —It __D__ for ten minutes.(2020， 扬州 ) A． will begin B． has begun C． will be on D． has been on (6)She __B__ her home town since she was 18 years told me she would return soon.(2020， 凉山 ) A． has left B． has been away from C． left D． went away 1． have been to， have gone to， have been at/in 【 典例在线 】 He has been to。 He has gone to。 He has been in Beijing for ten 了。 【 拓展精析 】 have been to， have gone to， have been at/in都用于现在完成时 ， 表示过去的动作对现在造成的影响或结果。 易混辨析： have been to， have gone to， have been in/at have gone to 意为 “ 去了某地 ” ，表示某人不在说话的地方 ， 还没有回来。 have been to 意为 “ 去过某地 ” ，表示某人到过某地 ，现在已经回来了；常和 ever、 never和次数连用。 have been in/at 常与一段时间连用 ，意为 “ 来 /去 /到某地多长时间了 ”。 【 活学活用 】 (1)—Where is Mr. Wang。 (2020， 扬州 ) —He together with his students __A__ Zhuyuwan Park. A． has gone to B． have gone to C． has been to。