| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [noun] for | 9 |
|
| 2 | they have been [noun pl] for | 8 |
|
| 3 | they have been friends for | 5 |
|
| 4 | they have been friend for | 5 |
|
| 5 | they had been [noun] for | 5 |
|
