| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [is] [adj] than | 3550 |
|
| 2 | [is] [adj -er] than | 2286 |
|
| 3 | [be] harder than | 44 |
|
| 4 | [is] harder [conj] | 37 |
|
| 5 | [is] harder [subord] | 31 |
|
| 6 | [is] hard than | 27 |
|
| 7 | [is] harder than | 27 |
|
