| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh pn] have been [v-ing] to [art] | 9 |
|
| 2 | who have be [v-ing] to [art] | 9 |
|
| 3 | [Wh pn] have be [v-ing] to [art] | 9 |
|
| 4 | [Wh pn] have be [v-ing] to the | 7 |
|
