| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] it [vb past] [adj] | 111 |
|
| 2 | [num] it [vb past] [adj] | 58 |
|
| 3 | [num] it [vb past] [num] | 37 |
|
| 4 | [num] it became [adj] | 32 |
|
| 5 | [num] it [vb past] clear | 14 |
|
| 6 | [num] it [vb past] clear | 13 |
|
| 7 | [num] it [vb past] [det] | 13 |
|
| 8 | [num] it seemed [adj] | 11 |
|
| 9 | [num] it had [adj] | 10 |
|
| 10 | [num] it [vb past] apparent | 8 |
|
| 11 | [num] it [vb past] apparent | 8 |
|
| 12 | 1980s it [vb past] [adj] | 5 |
|
| 13 | 1987 it [vb past] [adj] | 5 |
|
