| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we have [been] [v-ing] [prep] | 424 |
|
| 2 | that have [been] [v-ing] [prep] | 127 |
|
| 3 | that we have [been] [v-ing] | 113 |
|
| 4 | that we have [been] [prep] | 7 |
|
