| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [v-ing] [prep] the | 63 |
|
| 2 | they had been [v-ing] [prep] the | 28 |
|
| 3 | they have been [v-ing] [prep] the | 17 |
|
| 4 | they have been [v-ing] in the | 15 |
|
| 5 | they have been [v-ing] for the | 13 |
|
| 6 | they 've been [v-ing] [prep] the | 13 |
|
| 7 | they have been [v-ing] on the | 10 |
|
| 8 | they 'd been [v-ing] [prep] the | 7 |
|
| 9 | they have been working [prep] the | 5 |
|
