| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [v-ing] [prep] [noun] | 262 |
|
| 2 | [been] [v-ing] [prep] this [noun] | 107 |
|
| 3 | has [been] [prep] this [noun] | 20 |
|
| 4 | has [been] [v-ing] [prep] this | 19 |
|
| 5 | has [been] [v-ing] this [noun] | 12 |
|
