| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has been [v-ing] for [det] [noun] | 28 |
|
| 2 | [vb -s] been [v-ing] for some [noun] | 18 |
|
| 3 | [vb -s] been [v-ing] for [det] [noun sg] | 17 |
|
| 4 | [vb -s] been [v-ing] for [det] time | 15 |
|
| 5 | [vb -s] been [v-ing] for [det] time | 15 |
|
| 6 | [vb -s] been [v-ing] for [det] [noun pl] | 14 |
|
| 7 | [vb -s] been [v-ing] for [det] years | 7 |
|
| 8 | [vb -s] been [v-ing] for [det] year | 7 |
|
| 9 | [vb -s] been [v-ing] for several [noun] | 6 |
|
| 10 | [vb -s] been running for [det] [noun] | 6 |
|
| 11 | [vb -s] been [v-ing] for many [noun] | 5 |
|
