| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [been] [v-ing] [noun] for | 62 |
|
| 2 | [vb -s] [been] [v-ing] for [det] | 42 |
|
| 3 | [been] [v-ing] [noun] for [det] | 24 |
|
| 4 | [vb -s] [been] [v-ing] [noun] [det] | 8 |
|
