[语法初识]


         原句感知                       自主探究

①If she had studied hard, she would be a     (1)①句为错综时间条件句，从句说明过去，
college student now.               主句说明现在。
②It was necessary that we (should) make      (2)②句为“It is important/necessary ... that ...”
everything ready ahead of time.          结构中的主语从句，③句为“My suggestion is
                         that ...”结构中的表语从句，其从句的谓语动
③My suggestion is that we (should) go there at
                         词构成形式为：(should＋)动词原形。
once.
                          ...