adv.也; 同样; 并且;
conj.另外;
also用于实义动词之前
They also agree with me.
他们也同意我的看法。
I also began to be interested in crickets.
我也开始对板球运动感到兴趣。
also用于be动词之后
I was also there.
我也在那儿。
He is also an American.
他也是美国人。
also用于第一个助动词之后
His sister has also gone to town.
他的妹妹也到镇里去了。
The leisure center has also proved uneconomic.
休闲中心业已证明利润不大。
also有时放在句首
Also, some students were tempted to add written comment of their own throughout the paper.
一些学生也冒险通过论文写出他们自己的评论。
I thought it was the perfect answer. Also, Tony and I had never done a historical subject.
我认为它是完美的答案。而且，托尼和我从没有作过历史科目。
also不能放在句末
注意：also一定不能放在句子的最后。
参见：《柯林斯COBUILD英语用法词典》
但是赵振才教授在他的《英语常见问题解答大词典》中列举了美国英语关于also放在句末的例子。
I must buy some bread also.
我还必须买一些面包。
They know him and I know him also.
参见：赵振才《英语常见问题解答大词典》
The son had gone also.
儿子也走了。
参见：张道真《现代英语用法词典》
also,too,as well,either,作“也”讲,为副词.下面分别讲述：
too,also,as well：都用于肯定句,表示前者怎样后者也怎样.
too：一般放在句尾,可用逗号和前面的句子隔开,也可不用；
also：其位置大多放在be动词、助动词、情态动词之后,实义动词之前；
as well：其位置一般放在句尾,三者可以作同义句转换.例如：
You need to go shopping and I need to go shopping,too.
=You need to go shopping and I also need to go shopping.
=You need to go shopping and I need to go shopping as well.
1 It is the work of Ivor Roberts-Jones, who also produced the statue of Churchill in Parliament Square
这是艾弗·罗伯茨-琼斯的作品，他还创作了议会广场上的丘吉尔塑像。
2 His father, also a top-ranking officer, had perished during the war
他的父亲，也是位高级军官，在战争中牺牲了。
3 He is an asthmatic who was also anaemic
他是个曾患贫血症的哮喘患者。
4 She has a reputation for brilliance. Also, she is gorgeous.
她以才华出众而闻名。此外，她还非常漂亮。
5 We have been working very hard, and our families have also worked hard
我们一直很努力工作，并且我们的家人也是如此。