| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] system had be | 25 |
|
| 2 | [noun sg] system had be | 23 |
|
| 3 | [adj] system had be | 21 |
|
| 4 | [adj] system had be | 17 |
|
| 5 | [art] system had be | 12 |
|
| 6 | [art] system had be | 12 |
|
| 7 | the system had be | 11 |
|
| 8 | the system had be | 11 |
|
| 9 | system [pron] had be | 8 |
|
| 10 | system which had be | 6 |
|
| 11 | system [Wh det] had be | 6 |
|
| 12 | system which had be | 6 |
|
| 13 | system had [prep] be | 11 |
|
| 14 | system had to be | 11 |
|
| 15 | system had [prep] be | 11 |
|
| 16 | system had to be | 11 |
|
| 17 | system had [adv] be | 9 |
|
| 18 | system had [adv] be | 5 |
|
| 19 | system had be [verb] | 48 |
|
| 20 | system had be [vb pp] | 45 |
|
