| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do be [to-vb] [prep] a | 8 |
|
| 2 | do be [to-vb] [prep] a | 7 |
|
| 3 | do is [to-vb] [prep] a | 6 |
|
| 4 | to do be [to-vb] [prep] a | 5 |
|
