| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb base] been [v-ing] [noun] for | 9 |
|
| 2 | they 've been [verb] [noun] for | 8 |
|
| 3 | they [vb base] been [verb] [noun sg] for | 5 |
|
| 4 | they [vb base] been [verb] [noun pl] for | 5 |
|
