由一个主语（或并列主语）和一个谓语（或并列谓语）所构成的句子叫简单句，其结构是主语+谓语。

　　1. 主语+谓语

　　主语+不及物动词：They are dancing.

　　2. 主语+系动词+表语

　　系动词to be：We are students.

　　系动词为turn, get, become, look：

　　Things become complicated.

　　The leaves are turning yellow.

　　You will get older.

　　3. 主语+谓语+宾语

　　主语+及物动词+宾语：He loves sports.

　　主语+不及物动词+介词/副词+宾语：She picks up the coin.

　　主语+动词+to do作宾语：I prefer to take a walk.

　　主语+动词+doing作宾语：We like having a party.

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