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1、Unit3 Under the sea ParagraphDetailed facts Para 1 Its a day of 1._ magic！ I went snorkeling on the reef 2._ this morning and. Para 2 The first thing I became 3._ of was all the 4._ colours surrounding me. They were shaped like fans，plates， brains，lace，mushrooms. Para 3 I especially loved the little
2、 orange and white fish that hid in the waving long thin 5._. The yellow and green parrotfish was hanging 6._，and 7._ tiny plants off the coral with its hard birdlike mouth. Para 4 An eel has strong 8._ teeth，with only its head showing from a hole，watching for a 9._ fish. Para 5 The water was quite s
3、hallow but where the reef ended，there was a 10._drop to the sandy ocean floor. Para 6 What a wonderful，limitless world it was down there！And what a tiny spot I was in this enormous world！ 名称形式意义义 一般式 主动动doing表示的动动作与谓语动词谓语动词 所 表示的动动作一般同时进时进 行 被动动being done表示一个被动动的动动作正在 进进行，或与谓语动词谓语动词 所表 示的动动作同时发时发 生 完成式 主动动having done表示的动动作发发生在谓语动谓语动 词词所表示的动动作之前 被动动having been done 表示一个被动动动动 作在谓语谓语 动词动词 所表示的动动作之前已 经经完成了
