| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] build up a | 40 |
|
| 2 | [vb mod] build [adv prt] a | 39 |
|
| 3 | can build [adv prt] a | 26 |
|
| 4 | could build [adv prt] a | 5 |
|
