| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [vb mod] be | 4823 |
|
| 2 | [v-ing] [vb mod] be | 522 |
|
| 3 | buy [vb mod] be | 13 |
|
| 4 | buying [vb mod] [be] | 5 |
|
| 5 | buying [modal v] be | 5 |
|
| 6 | buying [vb mod] be | 5 |
|
| 7 | buying [vb mod] [be] | 5 |
|
