| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | valid and need [adv] [vb infin] to | 5 |
|
| 2 | valid [coord] need [adv] [vb infin] to | 5 |
|
| 3 | valid and need [adv] [vb infin] to | 5 |
|
| 4 | valid [conj] need only [vb infin] to | 5 |
|
| 5 | valid [conj] need [adv] approximate to | 5 |
|
