| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be happen at the time | 7 |
|
| 2 | [be] happen at the time | 7 |
|
| 3 | [pron] happen at the time | 5 |
|
| 4 | [was/were] happen at the time | 5 |
|
| 5 | happen at the [adj] time | 18 |
|
| 6 | happen at the same time | 16 |
|
| 7 | happen at the [det] time | 16 |
|
| 8 | happen at the same time | 16 |
|
