| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] was the | 13275 |
|
| 2 | [noun sg] was the | 9066 |
|
| 3 | system be the | 150 |
|
| 4 | system [be] the | 150 |
|
| 5 | system was [art] | 67 |
|
| 6 | system [was/were] the | 34 |
|
| 7 | system was the | 33 |
|
