“Apply”是一个常用动词，表示“申请、应用、适用于”等含义。以下是其常见形式及用法总结：
| 形式 | 用法说明 | 例句 |
| apply | 申请、应用 | I will apply for a job. |
| applied | 过去式/过去分词 | He applied the solution. |
| applying | 现在分词 | She is applying for a visa. |
| application | 名词，申请、应用 | His application was accepted. |
| applicable | 形容词，适用的 | This rule is not applicable. |
“Apply”常用于正式或书面语中，如申请工作、学校或签证等。此外，“apply to”表示“适用于”，如“This rule applies to all students.”
