| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have to keep [noun sg] | 21 |
|
| 2 | had to keep [noun] | 15 |
|
| 3 | have to keep [noun] | 14 |
|
| 4 | have to keep [noun pl] | 13 |
|
| 5 | have to keep track | 6 |
|
| 6 | have to keep track | 6 |
|
| 7 | have to keep [noun] | 5 |
|
