| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] have been [v-ing] on | 58 |
|
| 2 | [noun sg] has [been] [v-ing] on | 23 |
|
| 3 | [noun sg] had [been] [v-ing] on | 23 |
|
| 4 | [noun sg] have [been] working on | 22 |
|
| 5 | [noun sg] have [been] [v-ing] on | 8 |
|
