育才学习网1.have的三单新式
动词have作为"有"使用时，表示"某人（物）有……"用于第一、二人称单数I、you和复数主语，其单数第三人称形式为has，用于第三人称单数he、she、it和单数主语。
肯定句：主语+have / has+宾语。例如：
1. I have an English book.
2. Lily has a dog.
3. They have many friends.
另外，have、has作为"有"使用时，在英国英语和美国英语中稍有差异。
在英国英语中，have=have got, has=has got，在实际应用时，got常省略。
否定句：在have、has后直接加not。主语+have not / has not+宾语。例如：
1. You have not a red car.
2. She has not a new bike.
3. Lily and lucy have not a big family.
一般疑问句：把have、has移到句首，在回答时仍用have / has。Have / Has+主语+宾语？例如：
1. Has she a new bike?
Yes, she has. (No, She hasn't.)
2. Have they many friends?
Yes, they have. (No, they haven't.)
3. Have Lily and lucy a big family?
Yes, they have. (No, they haven't.)
特殊疑问句：用"特殊疑问词+have / has+其它"。例如：
Who has an English book?
What have Lily and Lucy got?
在美语中，含有have / has的句子要借助于助动词变为问句和否定句，但has要变为have。在作回答时也要用do或does的形式。
否定句中，用"主语+don't / doesn't+have+宾语"。例如：
1. I don't have an English book.
2. She doesn't have a new bike.
一般疑问句中，用"Do / Does+主语+have+宾语"。例如：
1. Do you have an English book?
Yes, I do. (No, I don't.)
2. Does she have any friends?
Yes, she does. (No, they doesn't.)
特殊疑问句中，用"特殊疑问词+do/ does+主语+have+其它"。例如：
1. What do they have?
2. How many friends does Lucy have?
当特殊疑问词作主语时，直接用"特殊疑问词+have / has+其它"。例如：
Who has an English book?
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