| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a [adj] [noun] | 85591 |
|
| 2 | [be] a [adj] [noun sg] | 83102 |
|
| 3 | [be] [art] [adj] period | 181 |
|
| 4 | [be] [art] [adj] period | 181 |
|
| 5 | [be] a [adj] period | 126 |
|
| 6 | [be] a [adj] period | 105 |
|
