| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb base] [been] [v-ing] [prep] | 1396 |
|
| 2 | we [vb base] [been] [verb] [prep] | 578 |
|
| 3 | we [verb] [been] [v-ing] [prep] | 426 |
|
| 4 | we [vb base] [be] [v-ing] [prep] | 385 |
|
