| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] for [num] [noun] | 171 |
|
| 2 | has been [v-ing] for [num] | 62 |
|
| 3 | has been [v-ing] for [noun] | 32 |
|
| 4 | has been [v-ing] [num] [noun] | 16 |
|
| 5 | has been for [num] [noun] | 6 |
|
