| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [v-ing] [prep] [be] [adv] [prep] | 61 |
|
| 2 | [be] [v-ing] [prep] [be] [adv] for | 33 |
|
| 3 | [be] [verb] [prep] [be] [adv] for | 24 |
|
