| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] [prep] | 79523 |
|
| 2 | have be [v-ing] | 19925 |
|
| 3 | have be [prep] | 11335 |
|
| 4 | have [v-ing] [prep] | 46 |
|
