| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] at a time of | 112 |
|
| 2 | [noun sg] at a time of | 78 |
|
| 3 | [verb] at a time of | 52 |
|
| 4 | [noun pl] at a time of | 26 |
|
| 5 | [vb pp] at a time of | 25 |
|
| 6 | [conj] at a time of | 18 |
|
| 7 | [adj] at a time of | 15 |
|
| 8 | [adv] at a time of | 15 |
|
| 9 | come at a time of | 13 |
|
| 10 | [adv] at a time of | 13 |
|
| 11 | [coord] at a time of | 11 |
|
| 12 | [vb past] at a time of | 11 |
|
| 13 | and at a time of | 8 |
|
| 14 | and at a time of | 8 |
|
| 15 | [v-ing] at a time of | 7 |
|
| 16 | [adj] at a time of | 7 |
|
| 17 | [noun prp] at a time of | 6 |
|
| 18 | comes at a time of | 5 |
|
| 19 | [vb -s] at a time of | 5 |
|
| 20 | [num] at a time of | 5 |
|
| 21 | that at a time of | 5 |
|
| 22 | that at a time of | 5 |
|
| 23 | [that] at a time of | 5 |
|
| 24 | at a [adj] time of | 12 |
|
| 25 | at a [adj] time of | 12 |
|
| 26 | at a time of [adj] | 170 |
|
| 27 | at a time of [adj] | 166 |
|
| 28 | at a time of [noun] | 79 |
|
| 29 | at a time of [noun sg] | 76 |
|
| 30 | at a time of economic | 16 |
|
