（2）not与all, every等含全体概念的词连用时，表示部分否定。例如：
Not every student wants to go to the park. 并不是每个学生都想到公园去。
Every girl doesn’t like wearing skirts.并非所有女孩都喜欢穿裙子。
（=Not every girl likes wearing skirts）
（3）若要表示全否定，即要说“都不……”，则应用一些本身便表示全否定的词，如： nobody, nothing, none等。如：
Nothing is wrong with your eyes.你的眼睛没问题。
Nobody is at home today.今天没有一个人在家。
辨析also与 too
also和too都可表示“也”，一般用于肯定句和疑问句中，不用于否定句。在否定句中，表示“也”用either. also常放在句中，其位置在行为动词之前，系动词be之后。句中如有助动词或情态动词时，一般放在助动词或情态动词之后。too常放在句末，它前面可用逗号，也可不用。若置于句中，其前后均有逗号。如：
Her sister is also a student. 她姐姐也是一个学生。
He can also speak Japanese. 他也能说日语。
Would you like to go there, too?你也想去那儿吗？
He, too, likes playing football.他也喜欢踢足球。
辨析city与 town
city一般指“城市、都市”，而town指“城镇”，比city小，又作countryside （乡下）的相对语。如：
the city of Shanghai 上海市，the city of Jinan. 济南市。
town(镇)比village(村)大，在英国town比city用得广。如：
go to town(从乡下)到镇上去；（从郊处）到市区去。
Be in town进城了 Be out of town离城了
Go town to do some shopping 到闹市去买东西
教学设计示例
Lesson 25教学设计方案
Teaching Objectives:
Talk about a picture, using present progressive tense, grasp the usage of present progressive and simple future tenses
Properties: Overhead Projector, Pictures
Language Focus: be doing be going to do
Teaching Procedures:
I. Revision
Ask sb to say out the dialogue between Mr. Yang and the policeman they prepared after class.
II. Leading - in
Lead to the usage of present progressive and simple future tenses by asking students:
What are you doing now? ——We re having English class.
What are you going to do at weekend? ——I’m going to ….
III. Practice
I. Look at the picture in Ex. 1 in the book and ask sb to work in pairs and talk about the picture, using present progressive tense.
2. Ask sb to say out their dialogues.
3. Illustration: Call 3 - 5 students to the front of the class and make same actions, then ask a question “What am I doing?”
The other students answer, for example “You’re
dancing/singing/reading/playing basketball /sweeping, etc.”
4. Talk about the four pictures in Ex. 2. Using present progressive and simple future tenses.
5. Ask sb to talk about their plans in the near future.
IV. Consolidation
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