| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | let us know [adv] | 26 |
|
| 2 | let us know [Wh adv] | 15 |
|
| 3 | let us know [adv] | 11 |
|
| 4 | let us know how | 7 |
|
| 5 | let us know when | 7 |
|
| 6 | let us know how | 7 |
|
| 7 | let us know when | 7 |
|
