| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] a longer [noun sg] | 16 |
|
| 2 | be [vb pp] [prep] a longer period | 11 |
|
| 3 | be [vb pp] over a longer [noun sg] | 9 |
|
| 4 | be [vb pp] for a longer [noun sg] | 5 |
|
