| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] long period of [noun sg] | 132 |
|
| 2 | [prep] a long period of [noun sg] | 123 |
|
| 3 | [prep] [art] long period of [noun sg] | 117 |
|
| 4 | [prep] [art] long period of time | 100 |
|
| 5 | over [art] long period of [noun sg] | 78 |
|
| 6 | over [art] long period of [noun sg] | 78 |
|
| 7 | for [art] long period of [noun sg] | 22 |
|
| 8 | for [art] long period of [noun sg] | 22 |
|
| 9 | [prep] [art] longer period of [noun sg] | 11 |
|
| 10 | after [art] long period of [noun sg] | 10 |
|
| 11 | after [art] long period of [noun sg] | 10 |
|
| 12 | [prep] the long period of [noun sg] | 9 |
|
| 13 | of [art] long period of [noun sg] | 6 |
|
| 14 | of [art] long period of [noun sg] | 6 |
|
| 15 | during [art] long period of [noun sg] | 5 |
|
| 16 | during [art] long period of [noun sg] | 5 |
|
