| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | an [adj] [noun sg] on | 2480 |
|
| 2 | keeping an [noun sg] on | 98 |
|
| 3 | keeping an [adj] [noun sg] | 40 |
|
| 4 | keeping [adj] [noun sg] on | 11 |
|
