| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [prep] [noun sg] | 38184 |
|
| 2 | to keep [prep] [noun sg] | 255 |
|
| 3 | be to keep [noun sg] | 28 |
|
| 4 | be to keep [prep] | 17 |
|
