魯教版英語(yǔ)八上unit6howlonghaveyoubeencollectingshells之一-wenkub.com
2025-11-24 11:54 本頁(yè)面
【正文】 . Every student is here. 學(xué)生都到齊了。 ? 3. run out of 用盡；缺乏 ? We’ve run out of room to store them 我們?nèi)鄙賰?chǔ)存它們（ snow globes）的空間 ? 4. If you know anyone else who collects them, … 如果你知道誰(shuí)也（喜歡）收藏它們， …… ? 這是一個(gè)由 if引導(dǎo)的條件狀語(yǔ)從句， if在這里解釋為“如果 ……” ，在這個(gè)狀語(yǔ)從句中又含有一個(gè)由who連接的定語(yǔ)從句， who在這里指 anyone。 for和表示一段時(shí)間的詞組連用 They have been running since six o’clock. 從 6點(diǎn)起他們一直在跑。Unit 6 How long have you been collecting shells? 現(xiàn)在完成進(jìn)行時(shí)的 構(gòu)成形式： have / has是助動(dòng)詞 been是 be的過(guò)去分詞 表示從過(guò)去開(kāi)始一直持續(xù)到現(xiàn)在的動(dòng)作， 并有可能持續(xù)下去． have / has been + doing 現(xiàn)在完成進(jìn)行時(shí)的教學(xué) I am a young teacher. I am still teaching English now. I started teaching English in 2021. I have been teaching English How long have you been teaching English? for 2 years. since 2021. 2 years ago. 自從，自 以來(lái) *He started teaching math when he was 20 years old. He is 50 years old now and he is still teaching math. How long has he been teaching math? He has been teaching math for 30 years. since 30 years ago. he was 20 years old. How long have you been doing…? I’ve been doing… for + 時(shí)間段 since + 時(shí)間點(diǎn) (詞 ,短語(yǔ) ,句 ) Grammar 15 minutes How long has he be
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