| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [to-vb] at a | 32 |
|
| 2 | have to look at a | 13 |
|
| 3 | have [to-vb] at a | 9 |
|
| 4 | had [to-vb] at a | 8 |
|
| 5 | have [to-vb] at a | 6 |
|
| 6 | has [to-vb] at a | 5 |
|
