| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that [prep] a [noun] of | 280 |
|
| 2 | that [prep] a [noun sg] of | 275 |
|
| 3 | [conj] [prep] a period of | 51 |
|
| 4 | that [prep] [art] period of | 27 |
|
| 5 | that [prep] [art] period of | 27 |
|
| 6 | that [prep] a period [prep] | 17 |
|
| 7 | that [prep] a period [prep] | 17 |
|
| 8 | [that] [prep] a period of | 16 |
|
| 9 | that [prep] a period of | 16 |
|
| 10 | that [prep] a period of | 16 |
|
| 11 | that [prep] a period of | 16 |
|
| 12 | that [prep] a period of | 16 |
|
