| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be a long [noun] | 1640 |
|
| 2 | be a long [noun sg] | 1636 |
|
| 3 | be a [adj] period | 105 |
|
| 4 | be [art] long period | 16 |
|
| 5 | be [art] long period | 16 |
|
| 6 | be a long period | 12 |
|
| 7 | be a long period | 12 |
|
| 8 | [be] a long period | 12 |
|
