| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] keep [art] eye on | 72 |
|
| 2 | could keep [art] [noun sg] on | 16 |
|
| 3 | could keep [art] [noun] on | 16 |
|
| 4 | could keep [art] eye on | 13 |
|
| 5 | could [verb] [art] eye on | 13 |
|
| 6 | could keep [art] eye [prep] | 13 |
|
| 7 | could keep [art] eye on | 13 |
|
| 8 | could keep [art] eye [prep] | 13 |
|
