| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been on strike | 20 |
|
| 2 | [verb] been on strike | 20 |
|
| 3 | [vb base] been on strike | 11 |
|
| 4 | have been on strike | 9 |
|
| 5 | [vb past] been on strike | 8 |
|
| 6 | had been on strike | 8 |
|
| 7 | been on strike [prep] | 14 |
|
| 8 | been on strike [prep] | 14 |
|
| 9 | been on strike for | 6 |
|
| 10 | been on strike for | 6 |
|
| 11 | been on strike since | 5 |
|
| 12 | been on strike since | 5 |
|
