| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | let [pron] know when | 22 |
|
| 2 | let [pers pn] know when | 22 |
|
| 3 | let [pron] know when | 22 |
|
| 4 | let me know when | 13 |
|
| 5 | let i know when | 13 |
|
| 6 | let we know when | 7 |
|
| 7 | let us know when | 7 |
|
