| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adj] system had be | 13 |
|
| 2 | [art] [adj] system had be | 13 |
|
| 3 | the [adj] system had be | 10 |
|
| 4 | the [adj] system had be | 10 |
|
| 5 | [adj] [noun] system had be | 8 |
|
| 6 | [adj] [noun sg] system had be | 7 |
|
| 7 | [adj] system had to be | 5 |
|
| 8 | [adj] system had [adv] be | 5 |
|
| 9 | [adj] system had [prep] be | 5 |
|
| 10 | [adj] system had to be | 5 |
|
| 11 | [adj] system had [prep] be | 5 |
|
| 12 | [adj] system had be [verb] | 16 |
|
| 13 | [adj] system had be [vb pp] | 15 |
|
