名詞是指「人」、「地」、「事」、「物」的生字。
例1：Mary (人) lives in Hong Kong (地). She likes eating Chinese cuisine (物) very much and goes to the Food Expo (事) every year (物). 瑪莉住在香港。她很喜歡吃中國菜，每年她都會去美食博覽。
例1：Mary (人) lives in Hong Kong (地). She likes eating Chinese cuisine (物) very much and goes to the Food Expo (事) every year (物). 瑪莉住在香港。她很喜歡吃中國菜，每年她都會去美食博覽。
代名詞用於取代名詞。
例1中的She，就是用於取代Mary，以免累贅。
| Singular 單數 | Plural 複數 | |
|---|---|---|
| 1st person 第1身 | I 我 | We 我們 |
| 2nd person 第2身 | You 你 | You 你們 |
| 3rd person 第3身 | He 他 | They 他們/她們/它們/牠們 |
| She 她 | ||
| It 它/牠 |
例1中的She，就是用於取代Mary，以免累贅。
動詞描述人、動物的動作或事物的發生、狀態、改變等。
例2：Sam is my brother. He loves playing basketball. 山姆是我的兄弟。他熱愛打籃球。
例3：There was some apples on the table this morning. But now they are gone. 今早桌上那些蘋果，現在不見了。
例2：Sam is my brother. He loves playing basketball. 山姆是我的兄弟。他熱愛打籃球。
例3：There was some apples on the table this morning. But now they are gone. 今早桌上那些蘋果，現在不見了。
形容詞用於修飾、補充名詞。
例4：Kelly is a cheerful girl. She always smiles. 凱莉是一個開朗的女孩，她總是微笑。
例4：Kelly is a cheerful girl. She always smiles. 凱莉是一個開朗的女孩，她總是微笑。
副詞用於修飾動詞、形容詞或另一個副詞。
例5：The children sing sweetly. We enjoy the show very much. 孩子們甜美地唱歌。我們非常享受這個表現。
例5：The children sing sweetly. We enjoy the show very much. 孩子們甜美地唱歌。我們非常享受這個表現。
前置詞表示名詞或代名詞在句中與其他字的關係。
例6：I went to Japan with my parents last summer. 去年暑假，我和父母去了日本。
例6：I went to Japan with my parents last summer. 去年暑假，我和父母去了日本。
連接詞用於連接生字或句子。
例7：I was sick so I didn't go to school yesterday. 我病了，所以我缺席課堂。
例7：I was sick so I didn't go to school yesterday. 我病了，所以我缺席課堂。
感歎詞表達強烈情感。
例8：Oh no! I forgot bringing my wallet. 噢！我忘了帶錢包出來。
例8：Oh no! I forgot bringing my wallet. 噢！我忘了帶錢包出來。
