| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] to [be] | 4613 |
|
| 2 | need to [be] | 1614 |
|
| 3 | [modal v] need to | 1098 |
|
| 4 | [modal v] need [be] | 17 |
|
