| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] for a | 1648 |
|
| 2 | [be] [v-ing] [pron] for | 691 |
|
| 3 | [be] [v-ing] [pron] a | 465 |
|
| 4 | [v-ing] [pron] for a | 216 |
|
| 5 | [be] [pron] for a | 31 |
|
