| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [prep] [noun] for | 19 |
|
| 2 | they have been [prep] [noun] for | 19 |
|
| 3 | they have been in [noun] for | 16 |
|
| 4 | they have been in [noun] for | 16 |
|
| 5 | they have been [verb] [noun] for | 14 |
|
| 6 | they have been [v-ing] [noun] for | 11 |
|
| 7 | they have been [noun] for [adj] | 6 |
|
