| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] [noun] for | 197 |
|
| 2 | they have been [v-ing] for | 85 |
|
| 3 | they have been [v-ing] [noun] | 83 |
|
| 4 | they have been [noun] for | 9 |
|
