這里infect是用的被動(dòng)形式,所以加ed,人做主語,被病毒感染.
所有的被動(dòng)都要用對(duì)應(yīng)惡過去分詞,不過由于特殊情況和不規(guī)則變化,并不是簡(jiǎn)單的加ed
many thousands of people have been infected with the virus.
many thousands of people have been infected with the virus.
為什么infect要加ed,是因?yàn)樗潜粍?dòng)語態(tài)嗎?凡是被動(dòng)語態(tài)動(dòng)詞都要加ed嗎?
為什么infect要加ed,是因?yàn)樗潜粍?dòng)語態(tài)嗎?凡是被動(dòng)語態(tài)動(dòng)詞都要加ed嗎?
英語人氣：950 ℃時(shí)間：2019-10-19 16:42:37
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