| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | let you know [prep] | 18 |
|
| 2 | let you know [prep] | 17 |
|
| 3 | let you know about | 8 |
|
| 4 | to let you know [prep] | 8 |
|
| 5 | let you know [prep] | 8 |
|
