l/shall+do否定形式:①am/is/are+
ot+goi
gto+do;②will/shall+
ot+do一般疑问句:①be放于句首;②will/shall提到句首八、过去将来时:概念:立足于过去某一时刻,从过去看将来,常用于宾语从句中。时间状语:the
extday(mor
i
g,year...),thefollowi
gmo
th(week...),etc.基本结构:①was/were/goi
gto+do;②would/should+do否定形式:①was/were/
ot+goi
gto+do;②would/should+
ot+do一般疑问句:①was或were放于句首;②would/should提到句首
fr