| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [art] [noun] | 16057 |
|
| 2 | [be] [adv] [art] period | 42 |
|
| 3 | be [adv] [art] period | 42 |
|
| 4 | [is] [adv] [art] period | 14 |
|
