| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun] [is] [that] | 4159 |
|
| 2 | the [noun pl] [is] [that] | 167 |
|
| 3 | the difficulty [is] [that] | 52 |
|
| 4 | the difficulties [be] [that] | 7 |
|
| 5 | the difficulties [is] [conj] | 6 |
|
| 6 | [art] difficulties [is] [that] | 6 |
|
| 7 | the difficulties [is] [that] | 6 |
|
| 8 | [art] difficulties [is] [that] | 6 |
|
