| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] build up a | 49 |
|
| 2 | we [vb base] up a | 26 |
|
| 3 | we [vb base] build a | 20 |
|
| 4 | we [vb base] build up | 17 |
|
| 5 | we build up a | 6 |
|
