| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [v-ing] on for [noun] | 28 |
|
| 2 | have be [v-ing] on for [noun] | 28 |
|
| 3 | have be [v-ing] on for [noun pl] | 27 |
|
| 4 | have be going on for [noun] | 23 |
|
| 5 | have be [v-ing] on for years | 14 |
|
| 6 | have be [v-ing] on for year | 14 |
|
| 7 | has be [v-ing] on for [noun] | 10 |
|
| 8 | had be [v-ing] on for [noun] | 7 |
|
| 9 | 's be [v-ing] on for [noun] | 6 |
|
