| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] to let you [vb infin] | 8 |
|
| 2 | be [v-ing] let you [vb infin] | 8 |
|
| 3 | [am/are] [v-ing] let you [vb infin] | 7 |
|
| 4 | [be] [v-ing] let you know | 5 |
|
