| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] that [prep] [art] | 621 |
|
| 2 | that [prep] [art] period | 70 |
|
| 3 | [vb -s] [prep] [art] period | 63 |
|
| 4 | [vb -s] that [art] period | 7 |
|
