| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a long period | 72 |
|
| 2 | [vb pp] [prep] a long period | 53 |
|
| 3 | developed [prep] a [adj] period | 7 |
|
| 4 | developed [prep] a [adj] period | 7 |
|
| 5 | developed [prep] a long [noun sg] | 6 |
|
| 6 | developed [prep] a long [noun] | 6 |
|
| 7 | developed [prep] [art] long period | 5 |
|
| 8 | developed [prep] a long period | 5 |
|
| 9 | develop [prep] a long period | 5 |
|
| 10 | developed [prep] a long period | 5 |
|
