| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun pl] be a [adj] source | 69 |
|
| 2 | [noun pl] [be] a [adj] source | 69 |
|
| 3 | [noun pl] [be] a [adj] source | 68 |
|
| 4 | [noun pl] [am/are] a [adj] source | 50 |
|
| 5 | [noun pl] are a [adj] source | 50 |
|
| 6 | [noun pl] [be] a major source | 14 |
|
| 7 | [noun pl] [be] a major source | 14 |
|
| 8 | [noun pl] [be] a good source | 12 |
|
| 9 | [noun pl] [be] a good source | 12 |
|
| 10 | [noun pl] is a [adj] source | 10 |
|
| 11 | [noun pl] [is] a [adj] source | 10 |
|
| 12 | [noun pl] [was/were] a [adj] source | 8 |
|
| 13 | [noun pl] were a [adj] source | 7 |
|
