| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] on for [det] [noun sg] | 12 |
|
| 2 | [been] [v-ing] on for [det] [noun sg] | 12 |
|
| 3 | [been] [v-ing] on for some [noun sg] | 12 |
|
| 4 | [been] [v-ing] on for [det] time | 12 |
|
| 5 | [been] going on for [det] [noun sg] | 9 |
|
