Unit 6  I’m going to study computer science知識點整理

4) be going to 與 will 的區(qū)別：

① 對未來事情的預(yù)測用“ will + 動詞原形”表達，will 沒有人稱和數(shù)的變化，變否定句要在will 后面加not,

也可用will 后面加 not,或者縮略式won’t, 變一般疑問句將will 提至 句首。

will planes be large in the future?         yes, they will. /  no, they won’t.

②will 常表示說話人相信或希望要發(fā)生的事情，而be going to 指某事肯定發(fā)生，常表示事情很快就要發(fā)生。 

i believe lucy will be a great doctor.

③ 陳述將來的某個事實用will.    i will ten years old next year.

④表示現(xiàn)在巨大將來要做的事情用 will.   i’m tired i will go to bed.

⑤ 表示意愿用will.     i’ll tell you the truth.

⑥ 表示計劃、打算要做的事情用 be going to, 而不用 will.

i’m going to buy a computer this month.

---let’s discuss the plan, shall we?   ----not now. i ______ to an interview.  a. go  b. went   c. am going  d. was going

------jack is busy packing luggage.   ---yes. he ____for america on vacation.  a. leaves b. left  c. is leaving  d. has been away

三、重要句子（語法）

what do you want to be when you grow up?                i want to be an engineer.

how are you going to do that?                       i’m going to study math really hard.

where are you going to work?                        i’m going to move to shanghai.

when are you going to start?              i’m going to start when i finish high school and college.

四、詞語辨析

1 promise vt. 保證，許諾。有三種結(jié)構(gòu)：

1)promise to do sth. ——my mother promised to buy a piano for me.

2)promise sb. sth.  ——my aunt promised me a bike.

3)promise + that 從句——tom promises that he can return on time.

promise n. 允諾， 諾言   lily is a dishonest girl. she never keeps a promise.

2.when 與 while 的區(qū)別：

when 表示“當(dāng)…時候”，既指時間點，又指一段時間，when 引導(dǎo)的時間狀語從句中的動詞可以是終止性的也可以是延續(xù)性的。when the teacher came in, the students were talking.

when she arrives, i’ll call you.

while 表示“當(dāng)…時候”，僅指一段時間，從句中的動作必須是延續(xù)性的，一般強調(diào)主從句的動作同時發(fā)生， while  還可以作并列連詞，意為“ 而、卻”，表示對比關(guān)系。