| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adj] when [verb] a [noun sg] | 22 |
|
| 2 | [be] [adj] when [v-ing] a [noun sg] | 21 |
|
| 3 | [am/are] [adj] when [verb] a [noun sg] | 10 |
|
| 4 | [is] [adj] when [verb] a [noun sg] | 10 |
|
| 5 | is [adj] when [verb] a [noun sg] | 9 |
|
| 6 | are [adj] when [verb] a [noun sg] | 9 |
|
| 7 | [be] useful when [verb] a [noun sg] | 6 |
|
| 8 | [be] important when [verb] a [noun sg] | 5 |
|
