一个英语长句语法分析,主谓宾结构The drought that is devastating grain fields across center in the United States reinforces expert forecasts that world food supplies will steadily tighten this decade,and that prices will rise.这句的

一个英语长句语法分析,主谓宾结构The drought that is devastating grain fields across center in the United States reinforces expert forecasts that world food supplies will steadily tighten this decade,and that prices will rise.这句的
一个英语长句语法分析,主谓宾结构
The drought that is devastating grain fields across center in the United States reinforces expert forecasts that world food supplies will steadily tighten this decade,and that prices will rise.
这句的主语是哪个,reinforces是谓语的话,就找不到主语了,应该是United States 加强专家预测啊~而The drought应该是被加强预测啊~

一个英语长句语法分析,主谓宾结构The drought that is devastating grain fields across center in the United States reinforces expert forecasts that world food supplies will steadily tighten this decade,and that prices will rise.这句的
The drought是这个句子的主语that is devastating grain fields across center in the United States reinforces expert 是主语从句,用来解释说明主语的,reinforces是谓语,expert forecasts 是宾语that world food supplies will steadily tighten this decade,and that prices will rise.是宾语补足语

the drought 是主语，reinforces是谓语, expert forcasts 是宾语