Question

He is ________than any other boy in the class.(clever)

到底是cleverer还是more clever，为什么？

Answer 1

more clverer因为clver有3个音节，所以比较级应在clver前面加more

追问

clever只有两个音节

Answer 2

"clever"的比较级可以是"cleverer”或"more clever”，选填其一便可。

Answer 3

cleverer

Answer 4

more clever

追问

为什么不用cleverer?

追答

两个都可以用，一样的，给你发点有关资料让你看一下吧
有关clever在最后一行，你可以看一下
英语的形容词和副词的比较级和最高级的构成
一 规则变化
1 单音节以及少数双音节的词,后面直接加 -er , -est
2以-e结尾的，在后面加-r , -st
3以辅音字母＋y结尾的词，把y变成i,再加-er , -est
[注〕
shy ---- shyer , shyest / shier , shiest
4重读闭音节的词，要双写词尾字母，再加-er , -est
5多音节的词，要在前面加 more-, most-
〔注〕
少数单音节词前面加 more-, most- 构成比较级和最高级
tired ---- more tired , most tired
fond ----- more fond , most fond
glad ----- more glad , most glad
bored ---- more bored , most bored
pleased---- more pleased , most pleased

二不规则变化
good /well------- better ,best
bad/badly/ill------ worse , worst
many/much-------more , most
little ------ less , least
far ---- farther, farthes / firther , furthest
old ---- older , oldest (GA)
---- older , oldest / elder , eldest (GB)

三下列形容词和副词的比较级和最高级有两种形式
cruel----- crueler, cruelest /
more cruel , most cruel
strict---- stricter , strictest /
more strict , most strict
often----- oftener , oftenest /
more often , most often
friendly------ friendlier , friendliest /
more friendly , most friendly
clever----- cleverer, cleverest /
more clever , most clever