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Hi, mimosong, good luck!
先补充v-ed & v-ing 用法:
[V-ing]
1.comma+V-ing-->modifies the preceding clause.
eg1: The engineer identified the problem, using the latest technology.
2. no comma+V-ing-->modifies the preceding NOUN or NOUN PHRASE.
eg2: John sat in the minivan carrying seven passengers.
3. V-ing + comma-->modifies either the subject of the clause or the entire clause, depending upon the context of the sentence.
eg3: In A.D. 391, resulting from the destruction of the largest library of the ancient world at Alexandria, later generations lost all but the Iliad and Odyssey among Greek epics, most of the poetry of Pindar and Sappho, and dozens of plays by Aeschylus and Euripides.(OG 113)
[V-ed]
1. V-ed+comma-->modifies the subject of the clause.
eg4: Discouraged by the long hours and low pay, my sister finally quit her job.
2. except type 1-->modifies the preceding NOUN or NOUN PHRASE.
eg5: My sister, discouraged by the long hours and low pay, finally quit her job. |
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