| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be on strike | 20 |
|
| 2 | have be on strike | 20 |
|
| 3 | have been on strike | 20 |
|
| 4 | have be on strike | 9 |
|
| 5 | had be on strike | 8 |
|
