| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] need [to-vb] | 2064 |
|
| 2 | need [to-vb] is | 227 |
|
| 3 | [modal v] [to-vb] is | 24 |
|
| 4 | [modal v] need is | 16 |
|
