| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [not/n't] let [pron] happen [prep] | 6 |
|
| 2 | do [not/n't] let [pron] happen [prep] | 6 |
|
| 3 | do [not/n't] let [pron] happen to | 5 |
|
| 4 | do [not/n't] let [pron] happen to | 5 |
|
