| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [was/were] the | 16274 |
|
| 2 | [noun sg] [was/were] the | 10041 |
|
| 3 | system [be] the | 150 |
|
| 4 | system [was/were] [art] | 70 |
|
| 5 | system [was/were] [art] | 70 |
|
| 6 | system [was/were] the | 37 |
|
| 7 | system [was/were] the | 34 |
|
