Unit 13 We're trying to save the earth 语法--现在完成时 闯关练 2025-2026学年下学期初中英语人教版九年级全册

中小学教育资源及组卷应用平台 Unit 13 We're trying to save the earth 语法--现在完成时 闯关练 2025-2026学年下学期初中英语人教版九年级全册 现在完成时的用法。 概念 现在完成时 (Present Perfect Tense) 是英语中常用的时态之一，用于表示过去发生的动作或状态对现在造成的影响或结果，或者表示从过去持续到现在的动作或状态。 1．基本结构 现在完成时的基本结构是： 主语+have/has + have：用于主语是 或复数名词时。 has：用于主语是 或单数名词时。 2．用法归纳 (1) 表示过去发生的动作对现在造成的影响或结果强调动作的结果或影响，而不是动作发生的时间。 例句： He his keys. (他丢了钥匙。———现在他找不到钥匙了。) I the room. (我已经打扫了房间。———现在房间很干净。) (2) 表示从过去持续到现在的动作或状态，常与表示一段时间的状语连用，如 for, since, how long 等。 例句： She here for five years. (她已经在这里工作五年了。) We each other since 2010. (我们从2010年就认识了。) (3) 表示过去的经历，强调经历，常与ever, never, once, twice 等词连用，说明过去是否有过某种经历以及经历的次数。 例句： Have you ever been to Japan (你去过日本吗？) I have never seen such a beautiful place. (我从未见过这么美的地方。) 二、单项语法选择 3．We _____ each other since we were children. A．have known B．knew C．know D．will know 4．Mr. Black _____ China for many years. A．has been to B．has come to C．has been in D．has arrived in 5．—Have you ever _____ to the Great Wall —Yes, I have. A．go B．been C．went D．gone 6．I _____ never _____ such an interesting movie before. A．have; seen B．have; saw C．did; see D．will; see 7．They _____ already _____ the new words. A．have; learned B．did; learn C．will; learn D．are; learning 8．Tom _____ just _____ his breakfast. A．has; had B．did; have C．will; have D．is; having 9．The train _____ already. We have to wait for the next one. A．left B．has left C．leaves D．will leave 10．He _____ in this factory since he graduated. A．worked B．has worked C．works D．will work 11．Nancy _____ in London since she was three years old, and she knows the city well. A．lives B．lived C．has lived D．was living 12．Our city _____ a lot since the subway was put into use. A．changed B．has changed C．is changing D．will change 13．I _____ this book for two weeks. I must return it to the library. A．have borrowed B．have kept C．borrowed D．keep 14．—How long have you _____ here —Since last Friday. A．come B．got C．arrived D．been 15．—Wendy, how long have you _____ the Huawei P50 Pro —A couple of days. I _____ it last week. A．buy; bought B．bought; bought C．had; bought D．bought; had 16．The musician who played this famous folk music last night _____ to play the erhu since he _____ very young. A．learned; was B．has learned; am C．has learned; was D．learned; has been 17．—Where is your father —He _____ Australia and he _____ Sydney for two weeks. A．has been to; has been in B．has gone to; has been in C．has been in; has been to D．has gone to; has gone to 18．Our school _____ for sixty years. A．has been open B．has been opened C．has opened D．has open 19．—How lon ... ...