| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] was [vb pp] [adv] 20 | 5 |
|
| 2 | was [vb pp] [adv] 20 [noun pl] | 10 |
|
| 3 | was [vb pp] [adv] 20 [noun] | 10 |
|
| 4 | was [vb pp] [adv] 20 years | 6 |
|
| 5 | was [vb pp] [adv] 20 year | 6 |
|
