| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] for | 10597 |
|
| 2 | [be] [v-ing] four | 82 |
|
| 3 | [v-ing] for four | 51 |
|
| 4 | [be] for four | 14 |
|
