| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] [v-ing] for hundreds of | 7 |
|
| 2 | [verb] [been] [v-ing] for hundreds of | 7 |
|
| 3 | [verb] been [v-ing] for hundreds of | 7 |
|
| 4 | have [be] [v-ing] for hundreds of | 7 |
|
| 5 | [verb] [be] [v-ing] for hundreds of | 7 |
|
| 6 | [verb] be [v-ing] for hundreds of | 7 |
|
