动词不定式的符号 to
动词不定式的被动式 Passive Infinitives
动词不定式的完成式 perfect infinitive
动词不定式的否定形式 ask sb not to to
动词不定式的作用 Functions of Infinitive
动词不定式的形式 Forms of Infinitive
动词不定式的逻辑主语 The boss ordered them to start the work
动词不定式的被动语态 passive infinitive
动词的不定式 Infinitiv des Verbs
通过列举小结动词不定式的用法。
Can you list the verbs which can be used in the infinitives.
我们可以在带有动词不定式的疑问词前使用一个动词和一个宾语。
We can use a verb and an object before a question word with a to-infinitive.
让学生观察2中的图片，两人一组，进行对话练习，注意动词不定式的用法。完成2。
Now, Look at the pictures in 2, and ask and answer the questions with your partner. Pay attention to the usages of infinitives.
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