| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] long period of [adj] | 21 |
|
| 2 | after [art] [adj] period of [adj] | 20 |
|
| 3 | after [art] [adj] period of [adj] | 19 |
|
| 4 | after [art] long [noun] of [adj] | 15 |
|
| 5 | after [art] long [noun sg] of [adj] | 11 |
|
| 6 | after [art] long period [prep] [adj] | 5 |
|
| 7 | after [art] long period of [adj] | 5 |
|
| 8 | after [art] long period [prep] [adj] | 5 |
|
| 9 | after [art] long period of [adj] | 5 |
|
| 10 | after [art] long period of [adj] | 5 |
|
