英语翻译说明原因2.你应该把你的注意力集中于学习上you should ____ ____ ____ ____ your study.3.老师叫汤姆多注意他的书写the teacher asked Tom to____ ____ ____ ____ his handwriting说明语法点、原因

1. to buy
2. focus your attention to (pay more attention to 也可以)
3. pay more attention to

forget to do sth忘记去做某事
focus your mind on
pay more attention to

to buy，表示将要做的事

she forgot which things to buy 。
you should pay your attention to your study。
the teacher asked tom to pay more attention to his handwriting。
第一个，which things to buy是疑问代词which things加不定代词to buy（do），这是一个死的语法点，要记住。
第二个和第三个是pay attention to do，这是一个固定短语，要记住，可以运用到作文当中，因为第三个加了要多注意，所以是pay more（更多的，） attention to。

She forgot which things_to buy
you should force your attention on your study.
the teacher asked Tom to pay more attention to his handwriting
第一个,which things to buy是疑问代词which things加不定代词to buy（do）,这是固定结构,必须记住.第二个和第三个是pay attention to do,force one' s attention 这是一个固定短语,要记住,多背短语,都记句子,多背课文,会有好处的,希望你可以借鉴,