内容正文:
Unit 5 Wild animals-Grammar
This grammar section in Unit 5 of the Yilin English textbook for Grade 8 (2024 edition) mainly focuses on two key grammar points: using "may" to express possibility and the usage of the infinitive. Through various examples related to wild animals, students will learn how to apply these grammar structures in different contexts. The content is presented in a way that combines theoretical explanations with practical exercises, aiming to enhance students' understanding and application ability of grammar.
教学目标
Students will be able to understand the meaning and usage of "may" when expressing possibility.
Students will master the basic form and functions of the infinitive, including using it as the object, adverbial of purpose, and object complement.
教学重难点
1 Key Points
The correct usage of "may" in expressing possibility, such as the position in sentences and the difference from other modal verbs.
The various functions of the infinitive, especially using it as the object after certain verbs (e.g., want, decide, plan) and as the adverbial of purpose.
2 Difficult Points
Distinguishing between the different meanings and usages of "may" (e.g., expressing permission and possibility).
Helping students understand and correctly use the infinitive in complex sentence structures, such as in sentences with object complements.
1 Using "May" to Express Possibility
Meaning: "May" is used to indicate that something is possible but not certain.
Structure: Subject + may + verb 原形.
Examples:
Giant pandas may live in bamboo forests. (It is possible that giant pandas live in bamboo forests.)
The baby animals may get sick easily. (There is a possibility that the baby animals get sick easily.)
Negative Form: Subject + may not + verb 原形.
The polar bears may not survive if the ice continues to melt. (It is possible that the polar bears will not survive.)
Question Form: May + subject + verb 原形?
May the wolves hunt in groups? (Is it possible that the wolves hunt in groups?)
2 The Infinitive
Basic Form: to + verb 原形 (in some cases, the "to" can be omitted).
Functions:
As the Object: After certain verbs like want, decide, plan, try, learn, etc.
Example: The monkeys want to eat bananas. (Here, "to eat bananas" is the object of the verb "want".)
We decided to visit the wildlife park.
As the Adverbial of Purpose: To show the purpose of an action. It can be replaced by "in order to" (more formal).
Example: We plant more trees to protect the wild animals' habitats. (The purpose of planting trees is to protect the habitats.)
They set up nature reserves in order to save the endangered animals.
As the Object Complement:
With verbs like ask, tell, invite, teach, etc., we use "to + verb 原形" as the object complement.
Example: The teacher asks us to read more about wild animals. (Here, "to read more about wild animals" is the object complement for "us".)
With some causative verbs like let, make, have (in the sense of "cause"), and sensory verbs like see, hear, watch, notice, the infinitive is used without "to" as the object complement.
Example: The funny actions of the pandas make us laugh. (Here, "laugh" is the object complement for "us" without "to".)
I saw a baby deer run across the field.
教学过程
1 Lead - in (5 minutes)
Show some pictures of different wild animals on the PPT, such as pandas, lions, and eagles. Ask students: "Where may these wild animals live? What may they eat?" Encourage students to answer using sentences with "may".
Purpose: Activate students' prior knowledge about wild animals and lead in the grammar point of using "may" to express possibility in a natural way.
2 Presentation of "May" (10 minutes)
Write some example sentences on the blackboard:
The tiger may be hungry.
Birds may fly to the south in winter.
Discuss with students the meaning and structure of these sentences. Explain that "may" here shows that something is possible.
Give more examples and ask students to analyze them. Then, present the negative and question forms of sentences with "may" through examples and explanations.
Activity: Let students work in pairs. One student says a situation about wild animals, and the other uses "may" to make a sentence to express possibility. For example, Student A: "The forest is on fire." Student B: "The animals in the forest may lose their homes."
Purpose: Make students understand the usage of "may" to express possibility through examples, explanations, and pair - work practice.
3 Presentation of the Infinitive (15 minutes)
Present some sentences with the infinitive on the PPT:
The panda cubs want to play.
We go to the zoo to see wild animals.
The zookeeper teaches the animals to perform some simple actions.
Analyze each sentence, explaining the function of the infinitive in it (object, adverbial of purpose, object complement respectively).
List some common verbs that are often followed by the infinitive as the object and verbs that are used with the infinitive as the object complement. Let students take notes.
Activity: Divide students into groups. Give each group a set of cards with different verbs and phrases. Students need to match the verbs with the appropriate infinitive phrases to form correct sentences and then present their sentences to the class.
Purpose: Enable students to understand the different functions of the infinitive through sentence analysis and group - work activities.
4 Practice (10 minutes)
Hand out a worksheet with various exercises about using "may" and the infinitive. The exercises can include filling in the blanks, making sentences, and correcting mistakes.
For example:
Fill in the blanks: The dolphins ____ (may / might) swim very fast. We go to the wetland ____ (watch) the birds.
Make sentences: use "want" and "to see wild animals" / use "in order to" and "protect the environment"
Correct mistakes: He make me to clean the classroom. (should be "He makes me clean the classroom.")
Let students do the exercises individually first, and then check the answers in pairs. Walk around the classroom to offer help and guidance during the process.
Purpose: Strengthen students' understanding and application ability of the two grammar points through targeted exercises.
5 Summary and Homework (5 minutes)
Summarize the key points of using "may" to express possibility and the functions of the infinitive with students. Ask students to recall and share what they have learned in this class.
Homework:
Ask students to write a short passage about their favorite wild animal, using at least three sentences with "may" and three sentences with the infinitive.
Ask students to find more examples of "may" and the infinitive in English texts (such as English stories about animals) and write them down in their notebooks.
Purpose: Consolidate students' learning in class through homework and encourage them to explore the usage of these grammar points in real - life reading materials.
教学反思
After this class, students generally showed a certain degree of understanding of using "may" to express possibility and the functions of the infinitive. The lead - in part with pictures of wild animals successfully attracted students' attention and motivated their interest in learning. The pair - work and group - work activities also made students actively participate in the learning process. However, some students still had difficulties in using the infinitive correctly in complex sentence structures, especially in the usage of object complements. In future teaching, more targeted exercises and in - depth explanations are needed for such difficult points. Also, it is necessary to provide more real - life examples and reading materials for students to further strengthen their understanding and application ability of these grammar points.
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