| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the difficulty [is] that [art] | 20 |
|
| 2 | the difficulty [is] that [art] | 20 |
|
| 3 | [art] difficulty [is] that [art] | 20 |
|
| 4 | [art] difficulty [is] that [art] | 20 |
|
| 5 | [adj] difficulty [is] that [art] | 14 |
|
| 6 | [adj] difficulty [is] that [art] | 7 |
|
| 7 | difficulty [is] that [art] [noun] | 23 |
|
| 8 | difficulty [is] that [art] [noun sg] | 17 |
|
| 9 | difficulty [is] that [art] [adj] | 12 |
|
| 10 | difficulty [is] that [art] [adj] | 9 |
|
| 11 | difficulty [is] that [art] [noun pl] | 6 |
|
