三、形容词比较级:
A.直接加er/r
tall---________light----________young--_________old---________strong--___ small--_________late---_________long---_________short--________  
B.双写加er big-------_________ fat-----_________ thin---________
C.去y改i加er heavy---_________
四、句型:
1、Whose younger than him ?  谁比他年轻？   
  My brother is younger than him .   我弟弟比他年轻。         
2、Are you as tall as Tom ?    你和汤姆一样高吗？
3、Do you have any brothers or sisters?Yes,I do .
No,I don't. I have a brother./I have a sister.
4、Whose schoolbag is heavier,yours or mine ?
Mine is./My schoolbag is heavier than yours .

xiexie!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

好东西！
谢谢你！