| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [v-ing] [art] [noun sg] | 1186 |
|
| 2 | must [verb] been [art] [noun sg] | 266 |
|
| 3 | must [verb] been [v-ing] [art] | 20 |
|
| 4 | must [verb] [v-ing] [art] [noun sg] | 16 |
|
| 5 | must [verb] been [v-ing] [noun sg] | 8 |
|
