Our teacher of English is an American.(名词)
Is it yours?(代词)
The weather has turned cold.(形容词)
The speech is exciting.(分词)
Three times seven is twenty one?(数词)
His job is to teach English.(不定式)
His hobby(爱好)is playing football.(动名词)
The machine must be out of order.(介词短语)
Time is up. The class is over.(副词)
The truth is that he has never been abroad.(表语从句)
(五)宾语：宾语表示动作的对象或承爱者，一般位于及物动词和介词后面。例如：
They went to see an exhibition(展览)yesterday.(名词)
The heavy rain prevented me form coming to school on time.(代词)
How many dictionaries do you have? I have five.(数词)
They helped the old with their housework yesterday.(名词化形容词)
He pretended not to see me.(不定式短语)
I enjoy listening to popular music.(动名词短语)
I think(that)he is fit for his office.(宾语从句)
宾语种类：(1)双宾语(间接宾语+直接宾语)，例如：Lend me your dictionary, please.(2)复合宾语(宾语+宾补)，例如：They elected him their monitor.
(六)宾语补足语：英语中有些及物动词，除有一个直接宾语以外，还要有一个宾语补语，才能使句子的意义完整。带有宾语补足语的一般句型为：某些及物动词(如make等+宾语+宾补)。宾补可由名词、形容词、副词、不定式、分词、介词短语和从句充当。例如：
His father named him Dongming.(名词)
They painted their boat white.(形容词)
Let the fresh air in.(副词)
You mustn’t force him to lend his money to you.(不定式短语)
We saw her entering the room.(现在分词)
We found everything in the lab in good order.(介词短语)