| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [been] [v-ing] [prep] | 332 |
|
| 2 | [been] [v-ing] [prep] this | 154 |
|
| 3 | 's [been] [v-ing] this | 12 |
|
| 4 | 's [been] [prep] this | 10 |
|
