| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] at the time | 384 |
|
| 2 | [be] [v-ing] at the time | 85 |
|
| 3 | [be] happening at the [noun] | 40 |
|
| 4 | [be] happening at [art] time | 10 |
|
| 5 | [be] happening [prep] the time | 7 |
|
| 6 | [be] happen at the time | 7 |
|
| 7 | [be] happening at the time | 7 |
|
| 8 | [be] happening [prep] the time | 7 |
|
