| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [v-ing] for hundreds of | 7 |
|
| 2 | [verb] [be] [v-ing] for hundreds [prep] | 7 |
|
| 3 | [verb] [be] [v-ing] for hundreds of | 7 |
|
| 4 | [verb] [be] [v-ing] for hundreds [prep] | 7 |
|
