| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has develop a [noun] | 114 |
|
| 2 | has develop a [noun sg] | 108 |
|
| 3 | has [verb] a system | 28 |
|
| 4 | [verb] develop a system | 13 |
|
| 5 | have develop a system | 12 |
|
| 6 | [vb -s] develop a system | 7 |
|
| 7 | has develop [art] system | 7 |
|
| 8 | has develop a system | 7 |
|
