| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | period of [noun sg] | 3221 |
|
| 2 | period [prep] [noun sg] | 3001 |
|
| 3 | period [prep] time | 1088 |
|
| 4 | periods [prep] [noun sg] | 785 |
|
| 5 | period in [noun sg] | 209 |
|
| 6 | period [prep] office | 77 |
|
| 7 | period under [noun sg] | 67 |
|
| 8 | period for [noun sg] | 60 |
|
| 9 | period [prep] study | 53 |
|
| 10 | period [prep] insurance | 52 |
|
| 11 | period [prep] history | 48 |
|
| 12 | period [prep] transition | 47 |
|
| 13 | period [prep] review | 32 |
|
| 14 | period [prep] change | 32 |
|
| 15 | period [prep] unemployment | 30 |
|
| 16 | period [prep] notice | 28 |
|
| 17 | period after [noun sg] | 28 |
|
| 18 | period [prep] question | 27 |
|
| 19 | period between [noun sg] | 27 |
|
| 20 | period [prep] service | 26 |
|
| 21 | period from [noun sg] | 25 |
|
| 22 | period [prep] work | 23 |
|
| 23 | period [prep] training | 23 |
|
| 24 | period [prep] uncertainty | 23 |
|
| 25 | period [prep] crisis | 22 |
|
| 26 | period as [noun sg] | 22 |
|
| 27 | period [prep] growth | 22 |
|
| 28 | period [prep] life | 21 |
|
| 29 | period [prep] employment | 21 |
|
| 30 | period to [noun sg] | 21 |
|
