都表示是的意思,只是時態(tài)不同
is 用于一般現(xiàn)在時
was用于一般過去時
will be 用于將來時
were是復(fù)數(shù)做主語時的過去時
is ,was ,will be ,were的意思
is ,was ,will be ,were的意思
英語人氣:508 ℃時間:2020-05-19 10:10:52
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