[误] I hope my parents to live long.

[正] I hope my parents will live long.

注：英文动词有一定的惯用法(correct usage)，有的后面可接不定式，如 I want you to attend the meeting. 有的后面要接动名词，如 How can we avoid making mistakes? 还有的后面一定要接一个句子(clause)，如本例所，但 hope 也可接不定式，如 I hope to see you soon again.