| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] such system have | 6 |
|
| 2 | [prep] such system have | 6 |
|
| 3 | of such system have | 5 |
|
| 4 | of such system have | 5 |
|
| 5 | such [art] system have | 9 |
|
| 6 | such a system have | 9 |
|
| 7 | such a system have | 9 |
|
| 8 | such [art] system have | 9 |
|
| 9 | such system have be | 5 |
|
| 10 | such system have [been] | 5 |
|
| 11 | such system have [be] | 5 |
|
| 12 | such system have been | 5 |
|
