| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [Wh det] [pers pn] be [v-ing] | 219 |
|
| 2 | [Wh det] [pers pn] 've be [v-ing] | 192 |
|
| 3 | is [Wh det] [pers pn] 've be | 10 |
|
