| 线索 | 示例 |
|---|---|
| a/an/the + n. | the problem became serious. |
| adj. + n. | social issues need attention. |
| my/your/his + n. | my idea about the topic. |
| prep. + n. | in the room |
| 数量词 + n. | many people |
| n. + of + n. | a group of students |
| 系动词 + adj. | be / look / sound / smell + tired |
| adv. + adj. + n. | a very interesting book |
| something/anything + adj. | something new |
| make/keep + O + adj. | keep the room clean |
| 比较/最高级 | more useful , the most beautiful |
| 线索 | 示例 |
|---|---|
| v. + adv. | speak loudly |
| adv. + v. / adj. | really like, very big |
| Adv. , 句子 | Fortunately, he passed. |
| 情态/助动 + adv. + v. | can easily finish |
| 频率副词 | often go, usually play |
| be + V-ing | is reading (进行) |
| 介词 + V-ing | before leaving |
| 感官动词 + V-ing | see him running |
| be + V-ed | is used (被动) |
| have/has + V-ed | has finished (完成) |
| get sth. V-ed | get it done |