Question

英语牛人请进,帮忙分析下面两个句子的语法结构，把各个句子成分帮我清晰地梳理下。谢谢

1.Last year the Alliance for Childhood called for a stop to the further introduction to computers for young students。

2.It was once considered that pregnant women working at computer terminals were at risk of suffering miscarriage.

Answer 1

1.Last year（时间状语）the Alliance for Childhood（主语）called for （谓语）a stop（宾语） to the further introduction to computers for young students（介词短语做定语修饰宾语stop）。

2.It（形式主语,代替that引导的主语从句） was once considered（主句谓语动词） that（主语从句的连词）pregnant women（从句主语） working at computer terminals（pregnant women的定语） were at risk of suffering miscarriage（从句谓语--系表结构做谓语）.

Answer 2

1.Last year（时间状语）the Alliance for Childhood（主语）called for （动词）a stop（宾语） to the further introduction to computers for young students（修饰宾语stop）。

2.It was once considered（动词） that（从句开始） pregnant women（从句主语） working at computer terminals（修饰从句主语） were（从句动词） at risk of suffering miscarriage（从句状语）.

Answer 3

1.Last year（时间状语）the Alliance for Childhood（主语）called for （谓语）a stop（宾语） to the further introduction to computers for young students（介词短语做定语修饰宾语stop）。

2.It（形式主语） was once considered（主句谓语动词） that（主语从句的连词pregnant women（从句主语） working at computer terminals（women的定语） were at risk of suffering miscarriage（从句谓语--系词加介词做表语做谓语）.