We must do all we can make our world better.多詞、缺詞或錯詞

熱心網友

We must do all we can (to) make our world better.少了一個toWe must do all to make our world better.we can作all的定語，是一個定語從句

熱心網友

can(to)make

熱心網友

we must do all we can (to) make our world better這里不定式是表目的的。實際上在can 的后面省去了do , 補充完整了就可以看出來了。We must do all （we can do)to make our world better

熱心網友

we must do all we can (to) make our world better.to make our world better表目的