Be意思
"be" 是英語中一個非常常用的動詞,它是系動詞,通常用於連線主語和表語(名詞、形容詞、副詞、介詞短語、動名詞、不定式等),表示主語的性質、狀態、身份等。以下是 "be" 的一些常見用法:
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用作系動詞,表示狀態或身份:
- The book is on the table. (書在桌子上。)
- She is a doctor. (她是一名醫生。)
- They are my friends. (他們是我的朋友。)
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表示存在:
- There is some water in the bottle. (瓶子裡有一些水。)
- There are five apples on the tree. (樹上五個蘋果。)
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表示動作或狀態的變化:
- The weather is becoming colder. (天氣正在變冷。)
- The baby is growing up fast. (嬰兒正在快速成長。)
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表示感覺、感官或知覺:
- I feel happy. (我感覺很快樂。)
- It sounds great. (聽起來很棒。)
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表示允許或命令:
- You are to do your homework. (你應該做你的作業。)
- You are not to leave the room. (你不可以離開這個房間。)
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用於助動詞,構成進行時、完成時等:
- I am reading a book. (我正在讀一本書。)
- He has been to Japan. (他去過日本。)
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用於疑問句和否定句中:
- Are you ready? (你準備好了嗎?)
- She isn't coming. (她不來了。)
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用於強調句中:
- It is I who am speaking. (說話的是我。)
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用於固定短語或表達中:
- What's going on? (發生了什麼事?)
- How are you doing? (你怎麼樣?)
"be" 的過去式是 "was" (單數) 和 "were" (複數),過去分詞是 "been"。在將來時中,"be" 通常與 "going to" 或 "will" 連用。