| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | of [adj] a [noun sg] [modal v] | 130 |
|
| 2 | of [adj] a [noun] [modal v] | 130 |
|
| 3 | [prep] [adj] a system [modal v] | 12 |
|
| 4 | [prep] [adj] a system [modal v] | 12 |
|
| 5 | of [adj] [art] system [modal v] | 6 |
|
| 6 | of [adj] [art] system [modal v] | 6 |
|
| 7 | of [adj] a system [modal v] | 6 |
|
| 8 | of [adj] a system [modal v] | 6 |
|
| 9 | of [adj] a system [modal v] | 6 |
|
