also应该置于什么位置?

表示“也”置于句中或句首，too表示“也”用语句末。

实意动词之前，助动词之后，英语老师天天让背“实前助后”，呵呵~

在be动词，情态动词之后，实意动词之前。^ ^

一般放在BE动词的后面。当然在谓语的前面也行。
it is also my son!
it also gives me a dream.

▲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
▲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
▲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有时放在句子的最前
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.