1. as…as 和……一樣
中間必須用形容詞或副詞原級(jí)。例如：
This classroom is as big as that one.
這間教室和那間一樣大。
He runs as fast as Tom.
他和湯姆跑的一樣快。
否定結(jié)構(gòu)：not as/so…as,“不如……”。上面的兩個(gè)句子可分別改為：
This classroom is not as/so large as that one.
這間教室不如那間大。
He doesn’t run as/so fast as Tom.
他跑得不如湯姆快。
2. as soon as 一……就……
用來(lái)引導(dǎo)時(shí)間狀語(yǔ)從句。若主句是一般將來(lái)時(shí)，從句要用一般現(xiàn)在時(shí)。例如：
I’ll tell him the plan as soon as I see him.
我一看到他就告訴他這個(gè)計(jì)劃。
He’ll go home as soon as he finishes his work.
他一完成工作就回家。
中間必須用形容詞或副詞原級(jí)。例如：
This classroom is as big as that one.
這間教室和那間一樣大。
He runs as fast as Tom.
他和湯姆跑的一樣快。
否定結(jié)構(gòu)：not as/so…as,“不如……”。上面的兩個(gè)句子可分別改為：
This classroom is not as/so large as that one.
這間教室不如那間大。
He doesn’t run as/so fast as Tom.
他跑得不如湯姆快。
2. as soon as 一……就……
用來(lái)引導(dǎo)時(shí)間狀語(yǔ)從句。若主句是一般將來(lái)時(shí)，從句要用一般現(xiàn)在時(shí)。例如：
I’ll tell him the plan as soon as I see him.
我一看到他就告訴他這個(gè)計(jì)劃。
He’ll go home as soon as he finishes his work.
他一完成工作就回家。