陈述句中有肯定句与否定句之分。其中可以分为以下五种:
① 主语+不及物动词。如:I arrived at six last night.
② 主语+及物动词+宾语,如:I bought a good EnglishChinese Dictionary yesterday.
③ 主语+及物动词+间接宾语+直接宾语,如:
Please tell me a story before I go to bed.
这样可加双宾语的句子有 buy, tell, give, ask, pass, teach.
④ 主语+及物动词+宾语+宾语补足语,如:
I found it impossible to do it. Please keep the classroom clean and tidy.
⑤ 主语+系动词+表语,如:Tom is an American boy. The grass turned green in spring.