| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [adv] [art] [noun] [prep] | 7489 |
|
| 2 | be [adv] [art] period [prep] | 29 |
|
| 3 | [be] [adv] [art] period [prep] | 29 |
|
| 4 | [is] [adv] [art] period [prep] | 11 |
|
