| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [v-ing] on for year | 14 |
|
| 2 | [verb] be [v-ing] on for years | 14 |
|
| 3 | [verb] be [v-ing] on for year | 14 |
|
| 4 | have be [v-ing] on for year | 14 |
|
| 5 | [verb] be going on for year | 11 |
|
| 6 | [vb -s] be [v-ing] on for year | 9 |
|
| 7 | has be [v-ing] on for year | 7 |
|
