| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are [prep] [art] [noun] | 3989 |
|
| 2 | [be] [prep] [art] period | 74 |
|
| 3 | be [prep] [art] period | 74 |
|
| 4 | [am/are] [prep] [art] period | 11 |
|
| 5 | are [prep] [art] period | 10 |
|
