| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] at [adj] [prep] | 229 |
|
| 2 | at [adj] intervals [prep] | 116 |
|
| 3 | [adv prt] at [adj] intervals | 25 |
|
| 4 | [adv prt] at intervals [prep] | 7 |
|
