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