| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] which have [been] [v-ing] on | 15 |
|
| 2 | [noun sg] which have [been] [v-ing] on | 10 |
|
| 3 | which have [been] [v-ing] on [prep] | 19 |
|
| 4 | which have [been] [v-ing] on [prep] | 19 |
|
| 5 | which have [been] [v-ing] on for | 12 |
|
| 6 | which have [been] [v-ing] on for | 12 |
|
