| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb past] [verb] an | 100 |
|
| 2 | it had [verb] an | 59 |
|
| 3 | it [vb past] [vb pp] an | 58 |
|
| 4 | it [vb past] [to-vb] an | 26 |
|
| 5 | it did [verb] an | 11 |
|
| 6 | it [vb past] [vb infin] an | 11 |
|
| 7 | it [vb past] become an | 9 |
|
| 8 | it [vb past] become an | 9 |
|
| 9 | it seemed [verb] an | 7 |
|
| 10 | it [vb past] have an | 7 |
|
| 11 | it [vb past] take an | 6 |
|
| 12 | it [vb past] make an | 5 |
|
