英语中什么时候不用助动词，别说用的情况

Title: Unveiling the Exceptions: When and Why English Verbs Go Without Auxiliary Verbs

Understanding the nuances of verb usage in the English language can be quite intricate, especially when it comes to the use or absence of auxiliary verbs. Auxiliary verbs, such as "can," "will," "should," and "have," play a significant role in forming tenses, modals, and questions. However, there are instances where English verbs are used without these auxiliary verbs, adding complexity to the language. This article delves into the various scenarios where English verbs operate without auxiliary support, providing insights into the grammatical intricacies involved.

When English Verbs Go Without Auxiliary Verbs

1. Simple Present Tense

In the simple present tense, verbs are typically used in their base form without auxiliary verbs. This is common for both regular and irregular verbs. For example, "I walk to school every day" and "She eats breakfast at 7 AM."

2. Simple Past Tense

Similarly, in the simple past tense, verbs are often used in their past tense form without auxiliary verbs. This is true for both regular and irregular verbs. For example, "I walked to school yesterday" and "She ate breakfast at 7 AM yesterday."

3. Present Perfect Tense

In the present perfect tense, the construction "have/has + past participle" is used. However, in certain contexts, the auxiliary verb "have/has" may be omitted. For example, "I've finished my homework" can be shortened to "I've finished it," where "it" refers back to "my homework."

4. Future Tense

The future tense can be formed with auxiliary verbs like "will" or "be going to." However, in some cases, the future tense is expressed without these verbs. For example, "I am going to the store" can be simplified to "I'm going to the store," omitting the auxiliary verb "will." This is common in informal speech.

5. Negative Sentences

In negative sentences, auxiliary verbs are often used to form the negative by adding "not" after them. However, in some cases, the verb itself is used in its negative form without the auxiliary. For example, "I don't like coffee" can be simplified to "I like coffee not," where "like" is used in its negative form.

6. Questions

When forming questions, auxiliary verbs are commonly used. However, in certain questions, the verb itself is used without the auxiliary. For example, "Are you going to the movies?" can be simplified to "You going to the movies?" in informal speech.

7. Commands

In commands, auxiliary verbs are usually omitted. For example, "Go to the store" and "Sit down" are common commands without auxiliary verbs.

8. Imperative Sentences

Imperative sentences, which give orders or make requests, often omit auxiliary verbs. For example, "Please close the door" and "Don't make noise" are typical imperative sentences without auxiliary verbs.

9. Interrogative Sentences

In interrogative sentences, auxiliary verbs are often used to form questions. However, in some cases, the verb itself is used without the auxiliary. For example, "Did you finish your homework?" can be simplified to "You finish your homework?" in informal speech.

10. Negative Interrogative Sentences

In negative interrogative sentences, auxiliary verbs are commonly used. However, in some cases, the verb itself is used in its negative form without the auxiliary. For example, "Can't you speak English?" can be simplified to "You can't speak English?" in informal speech.