| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] up to [noun sg] | 33 |
|
| 2 | be [vb pp] up to [noun sg] | 33 |
|
| 3 | be [vb pp] up to date | 21 |
|
| 4 | be kept up to [noun sg] | 17 |
|
| 5 | be brought up to [noun sg] | 8 |
|
