注：如果有其他助動詞時，不用do
He has been aboard for two years.
→Has he been aboard for two years?
We can deal with our own businees.
→Can we deal witn our own businees?
2. be: 放在主語之前(有人稱和數(shù)的變化；有時態(tài)的變化)
I you we/you/they/復(fù)數(shù)名詞
現(xiàn)在時：am are are
過去時：was were wree
Are you a student?
Is you parent at home?
Is this your new house?
Was Marry late for the meeting this morrning?
注：1.如果疑問詞修飾主語，則不用do/does/did 構(gòu)成疑問詞句,句子為陳述語序：
He has been aboard for two years.
→Has he been aboard for two years?
We can deal with our own businees.
→Can we deal witn our own businees?
2. be: 放在主語之前(有人稱和數(shù)的變化；有時態(tài)的變化)
I you we/you/they/復(fù)數(shù)名詞
現(xiàn)在時：am are are
過去時：was were wree
Are you a student?
Is you parent at home?
Is this your new house?
Was Marry late for the meeting this morrning?
注：1.如果疑問詞修飾主語，則不用do/does/did 構(gòu)成疑問詞句,句子為陳述語序：