| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb past] been [v-ing] for [art] | 11 |
|
| 2 | they [vb past] been [v-ing] for a | 6 |
|
| 3 | they had been [v-ing] for [art] | 6 |
|
| 4 | they [vb past] been [v-ing] for a | 5 |
|
| 5 | they 'd been [v-ing] for [art] | 5 |
|
| 6 | they [vb past] been [v-ing] for the | 5 |
|
| 7 | they [vb past] been [v-ing] for the | 5 |
|
