1.当主句谓语动词是find,see,watch,hear等感官动词时,从句常简化为“宾语+宾补”结构,宾补为不带to的不定式或V-ing形式。如:

Shefoundthatthewalletlay/waslyingontheground.→Shefoundthewalletlie/lyingontheground.

2.当主句谓语动词是hope,wish,decide,forget,plan,agree等,且主句主语与从句主语相同时,从句可简化为不定式结构。如:

Sheagreedthatshecouldhelpmewithmymaths.→Sheagreedtohelpmewithmymaths.

3.在连接代词/副词引导的宾语从句中,当从句主语与主句主语或间接宾语一致时,宾语从句可简化为“连接代词/副词+不定式”结构。如:

CanyoutellmehowIcangettothestation?→Canyoutellmehowtogettothestation?