可能多了点、但是很全。一、too...to...的意义too...to句型形式上是肯定的，但怎他企致斗是它在意义上却是否定的，表示"太……而不能……"。too的后面接形容词或副词的原级，to的后面接动词原形。too...to...句型是简单句。例如：Heistooyoungtojointhearmy.他年龄太小，不能参军。二、来自动词不定式的逻辑主语动词不定式所表示的动作的执行识每材朝充长核西朝者与整个句子的主发步显径批左赶语不指同一人或物时，需随提斗要在动词不定式前加上一个逻辑主语(常用forsb.)。例如：Themathsproblemistoodifficultforme360问答toworkout.这道数学题太难我解不出来。三、too...to...结构表达肯定的意义1.too前面宗句亚判乎受含有表示否定意义的词，如:not,never,nothing等时，too...to...结构不表示否定的意义风完座口让理过士。例如：Itisnevertoooldtolearn.活到老，学到老。(要学永远都不迟。)2.如果在too...to...这种结构的前面出现了较县乡证影从浓新矛only,不仅免去了too的否定意义，反而加强了too的肯定语气，onlytoo相当于very或verymuch。例如：Ishallbeonlyt席卫集oopleasedtogethome.到了家我将极其高兴。3.too后接表示感情的形容词，如gla助示士族升克型的整广d,pleased,happy,sad等时，too...to...句型不再表示否定意义，而表示的是肯定意义。例如：Heistoosadtohearthebadnews.听到这个不幸的消息他太悲伤了。四、too...to...结构与enough...to...结构及so...that...结构的相互转换1.将too...to...结构转换为enough...to...结构时，要注意：(1)enough前的形容词或副词应是件干固容too前面形容词或副词的反义词；(2)enough...to...句式须用否定式；(3)too...to...结构有逻辑主语时，enough...to...结构也要加上逻辑主语。例如：She赵色他述促岁istooyoungtodothework.=Sheisn'toldenoughtodothework.Th原掉振厚百复客口海eproblemistoohardforhimtoworkout.=Theproblemisn'teasyenoughforhimtowork响根协握本茶out.2.将too...先内织川权些to...结构转换为必so...that...结构时，要注意：(1)so...that...结构是复合句，so的后面接形容词或副词的原级，that的后面接从句。(2)that后面的从句要用降仅斤否定形式。例如：Shei控问参传少升案较的能stooyoungtogotoschool.=Sheissoyoungthatshecan'tgotoschool.请同学们做做下列中考题，以便检验你对too...to...用法的掌握情况。变换下列句型：1.a.TheboxissoheavythatIcan'tcarryit.b.Theboxis________heavy______________________carry.c.Theboxisnot________________formetocarry.(江苏省盐城市)2.a.Themathsproblemisn'teasyenoughformetoworkout.b.Themathsproblemis________difficult________Ican'tworkitout.c.Themathsproblemis________difficult________________________workout.(江苏省扬州市)3.a.Thebookisinterestingenoughforeverybodytoread.b.Thebookis________interesting________everybodylikestoreadit.(江苏省苏州市)Keys:1.b.too,formetoc.lightenough2.b.so,thatc.too,formeto3.b.so,that
标签：too,......,句式
