| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] to date | 569 |
|
| 2 | [noun sg] to date | 392 |
|
| 3 | system to [noun] | 54 |
|
| 4 | system to date | 8 |
|
| 5 | system [prep] date | 7 |
|
