| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] [art] [adj] period of | 206 |
|
| 2 | [verb] [prep] [art] long [noun] of | 183 |
|
| 3 | [verb] [prep] [art] long [noun sg] of | 154 |
|
| 4 | [verb] [prep] [art] long period [prep] | 47 |
|
| 5 | [verb] [prep] [art] long period [prep] | 47 |
|
| 6 | [verb] [prep] [art] long period of | 39 |
|
| 7 | [verb] [prep] [art] long period of | 38 |
|
