| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] on the | 173 |
|
| 2 | had been [v-ing] on the | 73 |
|
| 3 | have been working on the | 44 |
|
| 4 | has been [v-ing] on the | 31 |
|
| 5 | have been [v-ing] on the | 25 |
|
| 6 | have been sitting on the | 17 |
|
| 7 | 've been [v-ing] on the | 15 |
|
| 8 | 'd been [v-ing] on the | 11 |
|
| 9 | have been [v-ing] on the | 9 |
|
| 10 | have been standing on the | 7 |
|
| 11 | 's been [v-ing] on the | 7 |
|
| 12 | have been lying on the | 6 |
|
| 13 | have been living on the | 5 |
|
| 14 | have been concentrating on the | 5 |
|
