| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [prep] | 6838 |
|
| 2 | [v-ing] [prep] two | 773 |
|
| 3 | [been] [prep] two | 27 |
|
| 4 | [been] [v-ing] two | 18 |
|
