| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] for | 10597 |
|
| 2 | [be] [v-ing] twenty | 41 |
|
| 3 | [v-ing] for twenty | 25 |
|
| 4 | [be] for twenty | 8 |
|
