English Unit8 Language focus and Exercises

(be)
cheating you.
must be
4) — Should I wear (wear) jacket or suit tomorrow?
— You should / must (wear) suit as the meeting is formal.
5) — What should we
Words and Expressions
believe /bɪˈliːv/ v. 相信 brilliant /ˈbrɪliənt/ adj. 杰出的 chat /tʃæt/ v. 聊天 chief /tʃiːf/ adj. 总的；主要的 complete /kəmˈpliːt/ v. 完成 consider /kənˈsɪdə(r)/ v. 认为 design /dɪˈzaɪn/ v. 设计 graduation /ˌɡrædʒuˈeɪʃn/ n. 毕业 invent /ɪnˈvent/ v. 发明 invention /ɪnˈvenʃn/ n. 发明 overcome /ˌəʊvəˈkʌm/ v. 克服 record /rɪˈkɔːd/ v. 记录 schedule /ˈskedʒuːl/ n. 工作计划；日程安排 stretch /stretʃ/ v. 延伸
share knowledge.
• I can’t live without it. • Should I go there? • The Jingzhang Railway must go through an area of hills
and mountains.
一 语法特征
情态动词，在英文中主要用来表示说话人的看法、 态度等。它很接近中文里的能愿动词。从用法上来说， 它有这样几个特点： 1）各个情态动词自身都有一定的词义。 2）不能在句中独立担当谓语，也没有非谓语形式。 3）情态动词在句中不受任何人称,数变化的影响。 4) 情态动词后接的不定式（除ought外）都不带to ，即 接动词原形。
Read and complete. 用适当的情态动词和所给动词补全以下对话。
1) — Could you
help (help) me?
I can’t
(not work) it out by myself.
— Yes, of course.
2) — May / Could I
use (use) your pen? I forgot to bring mine.
英文中的情态动词主要有：can , could ; may , might ; must ; ought ; need ; dare , dared ，另外，shall , will , should , would在一定的场合也可用作情态动词。
4
Read and underline. 阅读以下短对话，标出其中的情态动词和实义动词。
do (do) to protect our environment?
— We should / ought to / must reduce more trees.
(reduce) CO2 and plant
A: Can you give me a few minutes? B: Sorry, I can’t. I’m running out of time now.
A: I want to be a good mechanic in the future. Then you should be a good learner first.
ahead of s子书阅读器
return to 返回 show an interest in 对……感兴趣 succeed in 在……取得成功
05
Languag e
Practice
Grammar 情态动词
• Could you teach me a little bit about it? • More people could buy paper and use it to record and
— Of course. You can find (find) it in my schoolbag.
3) — Ah! The message says I have won big money.
— Don’t be a fool. Thiscan’t be (not be) true. They
Read and underline. 阅读以下短对话，标出其中的情态动词和实义动词。
A: May I borrow your chair? B: Yes, of course.
A: Tu Youyou is a great scientist, isn’t she?
B: Yes. We must show our respect for her. A: Did you know that Jim had some serious health problems? B: Oh, yes. He ought to stop smoking right now.