| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [prep] | 6838 |
|
| 2 | [v-ing] [prep] these | 778 |
|
| 3 | [been] [v-ing] these | 42 |
|
| 4 | [been] [prep] these | 21 |
|
