1就是改变表达方式，句子意思不变。例：IhopeIcanbeheretomorrow. =Ihopetobeheretomorrow. 2.Davedoesn'thavelunchathome. =Davehasnolunchathome. 3.Thebookcostme10yuan.(写两个同义句) =Ispent10yuanonthebook. =Ipaid10yuanforthebook. 4.Themandiedbecausehewasill. =Themandiedofillness. 5.WhichwayshallItaketothebookshop,please? =HowcanIgettothebookshop,please? =Couldyoutellmewhichisthewaytothebookshop,please?同义句可有时可以为疑问句