| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have been [verb] [adv prt] for | 14 |
|
| 2 | they 've been [verb] [adv prt] for | 8 |
|
| 3 | they have been [vb pp] [adv prt] for | 8 |
|
| 4 | they have been [v-ing] [adv prt] for | 6 |
|
