| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [v-ing] [pers pn] must | 17 |
|
| 2 | of [v-ing] [pron] must | 10 |
|
| 3 | in [v-ing] [pron] must | 5 |
|
| 4 | [prep] [v-ing] it must | 5 |
|
| 5 | [prep] [v-ing] it must | 5 |
|
