例题:
They will visit Beijing as soon as they_____to China.
A. comes    B. come    C. came    D. will come
假设用户不知答案 B 是正确答案。或者不知道 A, C, D 为什么是错的。可以将各答案代入句子,用句解霸逐一进行分析。例如,分析句子 They will visit Beijing as soon as they comes to China. 可以得到以下错误检测结果。(用户还可以点击“详解”链接了解更详细的解释。)
同样地,可以得到答案 C 和 D 也是错误的。
2. 留意“句子其他相关学习点”专栏对解题和学习也很有帮助。
例题: He has ____ to Sydney and will stay there for several months.
A. gone    B. been    C.got    D. come
分析句子 He has gone to Sydney and will stay there for several months. 时出现以下学习点。
例题:-- Do you take exercise every day?
         -- Yes. I always ____ half an hour doing exercise in the morning.
A. spend    B. cost    C. take    D. pay
分析句子 I always spend half an hour doing exercise in the morning. 时出现以下学习点。
3. “句子成分划分”框中显示“读句时出现中断”可提示某选项结构存在错误。
例题: My father asked me ____ with fire.
A. don’t play    B. not play    C. not to play    D. not playing
上述例题中 A, B, D 代入句子后用句解霸分析都出现“读句时出现中断”。说明其结构非法,使句子不能顺利读完。下图是代入 A 时的情况。