此句不是平行结构,平行结构由连词连接两个对等的词和对等的结构 ,并列连词and,but,as well as,or,or else,both … and,neither … nor,either … or,not only … but (also),rather than等以及从属连词than可连接两个对等的词和对等的结构.
作为平行结构必须满足:
1.所连接的谓语形式必须一致
例:Gunpowder was discovered in the twelfth century,but not used in warfare until two hundred years later.
2.所连接的词或短语形式必须一致
例:We often go to the countryside as well as to factories.
3.连接的非谓语动词的形式必须一致
例:Some find swimming more enjoyable than sitting at home reading.
4.所连接的句子结构必须一致
由于谓语形式要一致,所以平行结构中的时态必须一致.