| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be [v-ing] [prep] | 6066 |
|
| 2 | [Wh pn] be [v-ing] [prep] | 1901 |
|
| 3 | [Wh pn] have be [v-ing] | 1038 |
|
| 4 | [Wh pn] have be [prep] | 666 |
|
