[语法初识]

原句感知 自主探究 ①Seen from above, the old town is a maze of canals, little bridges and tiny cobbled streets that tourists get lost in.

②Not invited, he became very disappointed.

③Completely rebuilt, the town would not be so interesting.

④Beaten by the opposite team, we didn't lose heart and encouraged each other.

⑤Aunt Wu came in, followed by her daughter.

⑥The building of a new car factory was agreed on last month.

⑦Can you try to get them to bring down the price?

⑧Lincoln said that it was not right for the south to break away from the Union. (1)句①～⑤中黑体部分均在句中作状语，分别表示时间、原因、条件、让步、伴随。

(2)根据句②可知，过去分词作状语时，其否定形式通常是在分词前加not。

(3)句⑥～⑧的黑体部分是短语动词，分别由"动词＋介词、动词＋副词、动词＋副词＋介词"构成。 　　[语法剖析]

语法点一 过去分词(短语)作状语