| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] set up in 1989 | 9 |
|
| 2 | [was/were] set [adv prt] in 1989 | 9 |
|
| 3 | [was/were] set [adv prt] in 1989 | 9 |
|
| 4 | was set [adv prt] in 1989 | 8 |
|
