| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [v-ing] on for [adj] [noun pl] | 22 |
|
| 2 | been going on for [adj] [noun pl] | 17 |
|
| 3 | been [v-ing] on for [adj] years | 14 |
|
| 4 | been [v-ing] on for [det] [noun pl] | 11 |
|
| 5 | been [v-ing] on for [num] [noun pl] | 11 |
|
| 6 | been [v-ing] on for some [noun pl] | 6 |
|
| 7 | been [v-ing] on for some [noun pl] | 6 |
|
| 8 | been [v-ing] on for [adj] months | 5 |
|
