| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] we need do is [to-vb] | 10 |
|
| 2 | [pron] we need [verb] is [to-vb] | 10 |
|
| 3 | [pron] we need [to-vb] is [to-vb] | 10 |
|
| 4 | [pron] we need to do is [to-vb] | 10 |
|
