| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] be [v-ing] [verb] | 726 |
|
| 2 | be [v-ing] [verb] their | 320 |
|
| 3 | [vb mod] be [verb] their | 279 |
|
| 4 | [vb mod] be [v-ing] their | 232 |
|
