| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [be] [verb] at a | 41 |
|
| 2 | which be [verb] at a | 41 |
|
| 3 | which [be] [vb pp] at a | 35 |
|
| 4 | which [was/were] [verb] at a | 20 |
|
| 5 | which [is] [verb] at a | 16 |
|
| 6 | which is [verb] at a | 16 |
|
| 7 | which was [verb] at a | 12 |
|
| 8 | which were [verb] at a | 8 |
|
| 9 | which [be] [v-ing] at a | 6 |
|
| 10 | which [am/are] [verb] at a | 5 |
|
| 11 | which are [verb] at a | 5 |
|
