| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | need only [vb infin] | 97 |
|
| 2 | need only [to-vb] | 14 |
|
| 3 | need only look | 9 |
|
| 4 | need only look | 7 |
|
| 5 | need only approximate | 6 |
|
| 6 | need only approximate | 6 |
|
