| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | catch up [prep] a [noun sg] [prep] | 30 |
|
| 2 | catch up [prep] a [noun] [prep] | 30 |
|
| 3 | caught up [prep] a [noun] [prep] | 25 |
|
| 4 | catch up [prep] a [noun] of | 24 |
|
| 5 | catch up in a [noun] [prep] | 24 |
|
| 6 | catch up in a [noun] [prep] | 24 |
|
