| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] long period [prep] | 174 |
|
| 2 | [prep] a long period [prep] | 162 |
|
| 3 | [prep] [art] long period of | 154 |
|
| 4 | over [art] long period [prep] | 87 |
|
| 5 | for [art] long period [prep] | 28 |
|
| 6 | after [art] long period [prep] | 21 |
|
| 7 | [prep] the long period [prep] | 18 |
|
| 8 | during [art] long period [prep] | 14 |
|
| 9 | of [art] long period [prep] | 11 |
|
| 10 | [prep] [art] long periods [prep] | 6 |
|
| 11 | [prep] [art] long period in | 6 |
|
| 12 | to [art] long period [prep] | 5 |
|
| 13 | from [art] long period [prep] | 5 |
|
