also在句中的位置要紧靠动词;too在句中的位置比较灵活,有时插入句中,前后用逗号分开,有时放在句末。too只能用在肯定句中,不可用于否定句内。在否定句中,只能用either;also则可以用在否定句中。
also后是中位状语,放在行为动词前(also do)、跟在系动词后。too是末位状语,只能放在一句话的最后。also可以用在肯定句、否定句或疑问句中;too不能用在否定句,否定句只能用either。
1、This is too big ─ have you got a small one?
这个太大——有没有小的?
2、There are too many errors in your work.
你的工作失误太多。
3、They had got too used to the soft life at home.
他们实在是过惯了家里的安逸生活。
1、She was not only intelligent but also very musical.
她不仅聪明,而且极具音乐天分。
2、He not only read the book, but also remembered what he had read.
他不但读了这本书,而且记得所读的内容。
3、Prevention also plays a central role in traditional medicine.
预防在传统医学中也起着主导作用。