| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have be up to | 109 |
|
| 2 | have been up to | 109 |
|
| 3 | had be up to | 34 |
|
| 4 | 've be up to | 19 |
|
| 5 | have be up to | 12 |
|
| 6 | has be up to | 12 |
|
| 7 | 'd be up to | 12 |
|
| 8 | 's be up to | 10 |
|
| 9 | have be up to | 8 |
|
