【重点句型讲解】

   1．Eric runs in after it, followed by a big dog, walking very slowly.
   Eric sits on his bed looking at Daniel, who has his arms crossed and looks angry.

   （1）followed by a big dog, walking very slowly在句中作伴随状语。分词短语作状语，可以表示时间、条件、原因、结果、行为方式、伴随等。
   He walked into the classroom, followed by two students.
   他走进教室，身后跟着两名学生。（伴随状况）
   The old man stood up, supported by his son.
   这位老人由他儿子搀扶着站了起来。（方式）
   Seen from the hill, the town looks very beautiful.
   从山上看，这座城市非常漂亮。（时间或条件）
   Moved by his words, I accepted his present.
   我被他的话所打动，于是收下了他的礼物。（原因）
   Hearing the news, they were very excited.
   他们听到这个消息很兴奋。（时间）
   The students came into the classroom, following their teacher.
   跟着老师，学生们走进了教室。（伴随状况）

   2．The room is a mess, with pizza boxes lying on the floor and dishes piled in the sink.

   with pizza boxes lying on the floor and dishes piled in the sink中运用了with结构，其构成形式是“with＋名词/代词＋形容词/副词/介词短语/现在分词/过去分词/不定式”，这种结构多作状语，也可以用来作定语。
   He likes to sleep with the window open.
   他喜欢睡觉的时候开着窗户。
   The man was working in the field with only a shirt on.
   那个男的在田里劳动只穿着一件衬衫。
   The teacher came in with a book in his hand.
   这位老师进来的时候手里拿着一本书。
   They pretended to be working hard all night with the lights burning.
   他们让灯亮了一夜假装努力工作。
   The man was brought in with his hands tied behind his back.
   这个男的双手被绑在后面给带了进来。
   With nothing to do，I went out for a walk.
   无事可做，我出去散了一会儿步。
   I live in a room with the window facing south.
   我住在一间窗户朝南的房间里。

   3．Now that he has been so rude to us，I feel like we have to punish him or he won't respect us.
   now that引导原因状语从句，意思是“既然”。
   Now that everybody is here，let's begin our meeting.
   既然人人都到场了，那么我们就开会吧。
   Now that I've seen how he lives, I know why he needs so much money.
   看过了他的生活状况，我现在才知道他为什么需要那么多钱。