| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [v-ing] that | 10 |
|
| 2 | they have been [v-ing] that | 10 |
|
| 3 | they 've been [v-ing] that | 8 |
|
| 4 | they have been doing that | 7 |
|
