LanguagePointsTeachingGoal1TogetSstomasterthenewwordsandexpressions2TogetSstomasterthegrammarpointthepassiveinfinitiveandvedformasadjectivesGrammarstudy1Thepassiveinfinitive1Explanation当不定式动词与其逻辑主语之间是被动关系时不定式要用被动语态构成形式为tobedonetohavebeendone例如Heclaimedtobetreatedbadlyinthesupermarketwhenhewasdoingshoppingyesterday注意有时尽管不定式与其逻辑主语是被动关系但不定式仍用主动语态不用被动语态不定式作状语如果句子中存在lightheavydifficulteasycomfortable等词就应该用不定式的主动形式表示被动含义TheboxissoheavytocarryHeisnteasytogetalongwith另外下面的被动语态是经常的考点也应特别注意在口语和非正式场合下为了强调动