| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] 20 [noun pl] ' time | 5 |
|
| 2 | [prep] 20 [noun pl] ' time | 5 |
|
| 3 | [prep] 20 [noun pl] ' time | 5 |
|
| 4 | in 20 [noun pl] ' time | 5 |
|
