| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] [prep] [noun] for | 513 |
|
| 2 | been [v-ing] [prep] [noun] [prep] | 402 |
|
| 3 | be [v-ing] [prep] [noun] for | 368 |
|
| 4 | [be] [v-ing] [prep] [noun] for | 368 |
|
| 5 | [been] [v-ing] [prep] [noun] for | 112 |
|
