| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which have [been] [v-ing] | 191 |
|
| 2 | [noun] have [been] [v-ing] [det] | 160 |
|
| 3 | which have [been] [v-ing] [det] | 11 |
|
| 4 | [noun] which have [been] [det] | 11 |
|
