| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] 're up to [pron] | 28 |
|
| 2 | [pron] be up to their | 10 |
|
| 3 | [pron] [be] up to their | 10 |
|
| 4 | [pron] 're up to [pos pn] | 9 |
|
| 5 | [pron] 're [adv] to their | 8 |
|
| 6 | [pron] 're up to their | 7 |
|
| 7 | [pron] [am/are] up to their | 7 |
|
| 8 | [pron] 're up [prep] their | 7 |
|
