| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] period when [noun sg] | 25 |
|
| 2 | [art] period when [noun sg] | 25 |
|
| 3 | a period when [noun sg] | 18 |
|
| 4 | a period when [noun sg] | 18 |
|
| 5 | [adj] period when [noun sg] | 11 |
|
| 6 | [adj] period when [noun sg] | 9 |
|
| 7 | the period when [noun sg] | 7 |
|
| 8 | the period when [noun sg] | 7 |
|
| 9 | period when [art] [noun sg] | 49 |
|
| 10 | period when [art] [noun sg] | 49 |
|
| 11 | period when the [noun sg] | 44 |
|
| 12 | period when the [noun sg] | 44 |
|
| 13 | period when [adj] [noun sg] | 19 |
|
| 14 | period when [adj] [noun sg] | 13 |
|
| 15 | period when [noun sg] [noun sg] | 9 |
|
| 16 | period when [noun] [noun sg] | 9 |
|
| 17 | period when [noun sg] [noun] | 16 |
|
| 18 | period when [noun sg] [be] | 13 |
|
| 19 | period when [noun sg] be | 13 |
|
| 20 | period when [noun sg] [noun sg] | 9 |
|
| 21 | period when [noun sg] was | 8 |
|
| 22 | period when [noun sg] [was/were] | 8 |
|
| 23 | period when [noun sg] [noun pl] | 7 |
|
| 24 | period when [noun sg] is | 5 |
|
| 25 | period when [noun sg] [is] | 5 |
|
