英语句子成分及结构句子成分包括:主语、谓语、表语、宾语(直接宾语、间接宾语)、宾语补足语、定语和状语。1 主语 主语是动作的发出者。表示所说的“是什么”或“是谁”。它在句首。 We study in No.1 Middle School.(“谁”) The classroom is very clean. (“什么”) Three were absent.(数词作主语) To teach them English is my job. (不定式作主语) It is my job to teach them English. (注不定式作主语常用形式主语it句型) Eating too much is bad for your health.(动名词作主语)2 谓语 说明主语“做什么”,“是什么”或“怎么样”。 谓语必须用动词,放在主语后面, 且主谓一致。His Parents are doctors. (系动词作谓语) She looks well.(系动词作谓语) We study hard.(实义动词作谓语) He can speak English. (情态动词和实义动词作谓语)