| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [v-ing] on since | 18 |
|
| 2 | [verb] [been] [v-ing] on since | 18 |
|
| 3 | [vb -s] [been] [v-ing] on since | 9 |
|
| 4 | has [been] [v-ing] on since | 9 |
|
| 5 | [vb base] [been] [v-ing] on since | 5 |
|
| 6 | have [been] [v-ing] on since | 5 |
|
| 7 | [been] [v-ing] on since [noun] | 8 |
|
| 8 | [been] [v-ing] on since [noun prp] | 6 |
|
| 9 | [been] [v-ing] on since [adj] | 6 |
|
