| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | valid and [vb base] [adv] [vb infin] to | 5 |
|
| 2 | valid and need [adv] [vb infin] to | 5 |
|
| 3 | valid and [verb] [adv] approximate to | 5 |
|
| 4 | valid and [verb] [adv] [vb infin] to | 5 |
|
| 5 | valid and need [adv] [vb infin] to | 5 |
|
| 6 | valid and [verb] only [vb infin] to | 5 |
|
