| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [adj] to be [adj] | 88 |
|
| 2 | it was [adj] [prep] be [adj] | 87 |
|
| 3 | it [was/were] [adj] [prep] be able | 23 |
|
| 4 | it [was/were] [adj] [prep] be sure | 10 |
|
| 5 | it [was/were] difficult [prep] be [adj] | 10 |
|
| 6 | it [was/were] supposed [prep] be [adj] | 8 |
|
| 7 | it [was/were] good [prep] be [adj] | 8 |
|
| 8 | it [was/were] impossible [prep] be [adj] | 7 |
|
| 9 | it [was/were] hard [prep] be [adj] | 5 |
|
| 10 | it [was/were] possible [prep] be [adj] | 5 |
|
| 11 | it [was/were] easy [prep] be [adj] | 5 |
|
| 12 | it [was/were] nice [prep] be [adj] | 5 |
|
