| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv prt] at [adj] time [prep] | 37 |
|
| 2 | [adv prt] at [det] time [prep] | 36 |
|
| 3 | [adv prt] at that [noun] [prep] | 16 |
|
| 4 | [adv prt] at that [noun sg] [prep] | 16 |
|
| 5 | [adv] at that time [prep] | 16 |
|
| 6 | [adv prt] [prep] that time [prep] | 8 |
|
| 7 | [adv prt] at that time [prep] | 5 |
|
| 8 | [adv prt] at that time [prep] | 5 |
|
| 9 | [adv prt] at that time [prep] | 5 |
|
