| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] for a | 1648 |
|
| 2 | [vb base] be [v-ing] for | 525 |
|
| 3 | [vb base] be [v-ing] a | 257 |
|
| 4 | [vb base] [v-ing] for a | 34 |
|
| 5 | [vb base] be for a | 16 |
|
