| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] been [v-ing] on [prep] | 111 |
|
| 2 | [vb -s] [been] [v-ing] on [prep] | 111 |
|
| 3 | [vb -s] [been] going on [prep] | 94 |
|
| 4 | has [been] [v-ing] on [prep] | 79 |
|
| 5 | [vb -s] [been] [v-ing] on for | 58 |
|
| 6 | 's [been] [v-ing] on [prep] | 32 |
|
| 7 | [vb -s] [been] [v-ing] on in | 16 |
|
| 8 | [vb -s] [been] [v-ing] on since | 9 |
|
| 9 | [vb -s] [been] [v-ing] on at | 7 |
|
| 10 | [vb -s] [been] working on [prep] | 6 |
|
| 11 | [vb -s] [been] [v-ing] on with | 5 |
|
