| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] let him know | 20 |
|
| 2 | [vb mod] let him know | 20 |
|
| 3 | would let him know | 11 |
|
| 4 | would let him know | 9 |
|
| 5 | will let him know | 6 |
|
| 6 | 'll let him know | 5 |
|
