| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [adv prt] [prep] a long | 137 |
|
| 2 | [verb] [prep] a long period | 91 |
|
| 3 | [verb] [adv prt] [prep] a period | 42 |
|
| 4 | [verb] [adv prt] a long period | 30 |
|
| 5 | [adv prt] [prep] a long period | 11 |
|
