| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] let [pers pn] know [adv] | 10 |
|
| 2 | [prep] letting [pers pn] know [adv] | 9 |
|
| 3 | [prep] let [pers pn] know [adv] | 9 |
|
| 4 | [prep] let [pers pn] know [Wh adv] | 8 |
|
