| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [v-ing] for | 1594 |
|
| 2 | [be] [v-ing] for three | 44 |
|
| 3 | [verb] [v-ing] for three | 7 |
|
| 4 | [verb] [be] [v-ing] three | 6 |
|
