`1.` my brother is the tallest in his club
`=>` so sánh nhất: S + tobe + the +ADJ(ngắn)_est + O
`2.` he isn’t as careful as his friends in his class
`=>` as `->` so sánh bằng
`=>` S1 + as + ADJ + as + S2
`3.` Ho Chi Minh is noisier than Ha Noi city
`=>` than `->` so sánh hơn 
`=>` S1 + tobe + ADJ(ngắn)_er + than + S2
`4.` winter is the coldest in the year in Viet Nam
`=>` so sánh nhất: S + tobe + the +ADJ(ngắn)_est + O
`5.` Ba is taller and more intelligent than his sister
`=>` than `->` so sánh hơn 
`=>` S1 + tobe + ADJ(ngắn)_er + than + S2
`=>` S1 + tobe + more + ADJ_dài + than + S2
`6.` better
`=>` than `->` so sánh hơn 
`=>` S1 + tobe + ADJ(ngắn)_er + than + S2
`7.` more expensive
`=>` than `->` so sánh hơn
 `=>` S1 + tobe + more + ADJ_dài + than + S2
`8.` richest
`=>` the `->` so sánh nhất
`=>` so sánh nhất: S + tobe + the +ADJ(ngắn)_est + O
`9.`cleverest
`=>` the `->` so sánh nhất
`=>` so sánh nhất: S + tobe + the +ADJ(ngắn)_est + O
`10.` as old as
`=>` as `->` so sánh bằng
`=>` S1 + as + ADJ + as + S2