有五到六道题 ..., ..., and ... [b]由平行连接词连接两个或两个以上的对象构成 [b]一、平衡连接词 [b]1. 单一式：and, or, but [b]2. 短语式：as well as, rather than, other than, instead of [b]3. 相关式：both...and, not only ...but also [b]from..to, either...or [b]between...and, from...until [b]the same as, such as, as ...as [b]neither... nor, not...but, neither...or [b]二、平行的形式 [b]X and Y [b]X, Y and Z(不常考) [b]X, Y, and Z (常考) [b]三、平行的性质 [b]1. 单复数的平行(不是绝对要平行) [b]比如：cells, organs, adn tissues [b]a heart, veius, and arteries [b]2. 词性的平行 [b]绝对，但是无adj的名词例外 [b]local, state, and national government 对 [b]city and regional planning 对 [b]seasonally, or yearly 错 [b]~~~~~~~~~~adv. ~~~~~~adj. [b]3. 时态的平行 [b]可以不平行，但是必须有相应的不同时间 [b]4. 结构形式的平行 [b]doing, to do, adj+n, 动+宾 结构要平行 [b]5. 语态的平行 [b]Dallas, Texas, has become a national hub of bank, [b]~~~~banking [b]fashion, manufacturing and transportation. [b]6. 排列位置的平行 [b]主 not only 谓 but also 谓 对 [b]Not only 主谓(倒装)，but also 谓 错 [b]四、not only...but also的省略 [b]1. ...not only...but (also)... [b]2. Not only 主谓(倒)but 主谓 [b]3. Not only 主谓(倒),(;)主+also+谓 [b]4. Not only... but...as well