| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [adv] must [be] go | 6 |
|
| 2 | i [adv] must [be] going | 6 |
|
| 3 | i [adv] must [be] [verb] | 6 |
|
| 4 | i [adv] must [be] [v-ing] | 6 |
|
