| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [adv] [vb infin] be for | 10 |
|
| 2 | [modal v] not [vb infin] be for | 8 |
|
| 3 | [modal v] [not/n't] [vb infin] be for | 8 |
|
| 4 | [modal v] [adv] have be for | 8 |
|
| 5 | [modal v] [adv] [vb infin] been for | 8 |
|
| 6 | could [adv] [vb infin] be for | 7 |
|
| 7 | could [adv] [vb infin] be for | 7 |
|
