對話框回復(fù)“早安”和“晚安",獲取暖心音頻問候
結(jié)構(gòu) “was/were+being+過去分詞”
比如:
The case was being investigated then.
案件當(dāng)時正在被調(diào)查。
結(jié)構(gòu)“have/has+been+過去分詞”
比如:
An opinion is what someone believes is true but has not been proved.
看法是人們相信是真實的但未經(jīng)證實的東西。
結(jié)構(gòu) “had been+過去分詞”
比如:
She said this old airport had never been used.
他說這座舊機場沒有被使用過。
結(jié)構(gòu)“shall/will+have been+過去分詞”
比如:
The design will have been done by the end of this week.
這個設(shè)計將在本周做完。
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