| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] to do is [prep] | 17 |
|
| 2 | [vb base] to do be to | 15 |
|
| 3 | have to do be [prep] | 8 |
|
| 4 | need to do be [prep] | 5 |
|
