| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | catch up [prep] a [noun sg] | 48 |
|
| 2 | caught up [prep] a [noun] | 41 |
|
| 3 | catch up in a [noun] | 39 |
|
| 4 | to catch up [prep] a [noun] | 5 |
|
| 5 | catch up on a [noun] | 5 |
|
