在八年级上册英语中，动词加doing和to do的情况如下：

加doing的动词

喜欢做某事：enjoy doing sth.

练习做某事：practise doing sth.

完成做某事：finish doing sth.

害怕做某事：be afraid of doing sth.

忙于做某事：be busy doing sth.

坚持做某事：keep doing sth.

使某人一直做某事：keep sb. doing sth.

集中精力做某事：pay attention to doing sth.

建议做某事：suggest doing sth.

浪费时间或金钱做某事：waste time/money doing sth.

代替做某事：instead of doing sth.

错过做某事：miss doing sth.

抓住做某事：hold on to doing sth.

加to do的动词

需要做某事：need to do sth.

计划做某事：plan to do sth.

决定做某事：decide to do sth.

希望做某事：hope to do sth.

想要做某事：want to do sth.

同意做某事：agree to do sth.

选择做某事：choose to do sth.

尝试做某事：try to do sth.

喜欢做某事：like to do sth.

负担得起做某事：afford to do sth.

这些动词加doing或to do的形式在英语中非常常见，掌握这些规律有助于提高英语写作和口语表达的准确性。希望这些信息对你有所帮助。