| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] [be] [v-ing] for | 162 |
|
| 2 | [v-ing] [prep] [be] [v-ing] [prep] | 156 |
|
| 3 | [v-ing] [prep] [be] [verb] for | 81 |
|
