高二英語Music教案
2. to grasp the usage of the present perfect progressive tense.3. to know the main differences between the present perfect tense and the present perfect progressive tense.teaching keys and difficulties:1. to grasp the usage of the present perfect progressive tense.2. to know the main differences between the present perfect tense and the present perfect progressive tense.teaching procedures:step 1. experience and discover the present perfect progressive tense.activity 1directions: ask the students to read the sentences from the passage in reading and vocabulary and decide if they are true
example sentences:liu fang has played the pipa since the age of six.she’s given concerts since she was eleven.
now, please tick the following sentences you agree with according to the above example sentences.
1. liu fang still plays the pipa.2. she only played the pipa when she was six.3. she has given concerts regularly since the age of eleven.4. she only gave concerts when she was a child.activity 2
directions: ask the students to read the example sentences and answer the questions.
example sentences:liu fang has been playing the pipa for the last three hours.she’s been performing concerts every day since last month.
q1: what is the difference in form between these sentences and those in activity 1.
answers: they are in the present perfect progressive
q2: which of these things is true about the sentences?(a)the people started doing these things in the past and are still doing them.(b)the people do these things every day.(c)the actions take a very long time to complete.
answers: (a)step 2. detailed explanation about the present perfect progressive tense.
i. the form of the present perfect progressive tense.
現在完成進行時由“助動詞have/has+been+動詞-ing”形式構成。ii. the basic usage of the present perfect progressive tense.
1. 表示從過去開始一直持續到現在的動作，這個動作是否繼續下去，則由上下文決定。它常與表示一段時間的狀語，如：all this time, this week, this month, all night, all the morning, these few days, for…, since…等連用。
例句：(1) liu fang has been living in canada since then.劉芳從那時以來一直住在加拿大。（動作仍繼續下去）(2) i have been waiting for you here for an hour.我在這兒等了你一個小時。（動作剛終止）(3) he has been doing his homework all this morning.他做了一上午作業。（動作可能繼續下去）2. 表示一直到說話時為止的一段時間內一再重復的動作。例句：(1) i have been meeting her at the library.
我多次在圖書館遇見到她。(2) i have been telling you to be careful for weeks.