| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] for a | 1648 |
|
| 2 | [vb mod] be [v-ing] a | 819 |
|
| 3 | [vb mod] be [v-ing] for | 714 |
|
| 4 | [vb mod] be for a | 67 |
|
