| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | what [pers pn] 'd been [v-ing] [prep] | 17 |
|
| 2 | [Wh det] [pers pn] 'd been [v-ing] for | 11 |
|
| 3 | [Wh det] he 'd been [v-ing] [prep] | 9 |
|
| 4 | [Wh det] [pers pn] 'd been doing [prep] | 6 |
|
