| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at [art] time have | 33 |
|
| 2 | at [art] time had | 22 |
|
| 3 | at the time have | 18 |
|
| 4 | at no time have | 15 |
|
| 5 | at [art] time have | 7 |
|
