| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [coord] need only [vb infin] to | 7 |
|
| 2 | and need only [vb infin] to | 7 |
|
| 3 | and need only [vb infin] to | 7 |
|
| 4 | [conj] need only [vb infin] to | 7 |
|
| 5 | [conj] need only approximate to | 6 |
|
