| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [adj] [noun] [pers pn] [modal v] | 515 |
|
| 2 | at [adj] [noun sg] [pers pn] [modal v] | 425 |
|
| 3 | [prep] [adj] time [pers pn] [modal v] | 153 |
|
| 4 | at [adj] time [pers pn] [modal v] | 120 |
|
| 5 | at [adj] time [pron] [modal v] | 83 |
|
