SN4 ""

No	Pattern	Freq
1	[noun pl] are a [adj] [noun sg]	761
2	[noun pl] are a [adj] [noun]	751
3	[noun pl] are a good [noun]	86
4	[noun pl] are a good [noun]	75
5	[noun pl] are a [adj] source	50
6	[noun pl] are a [adj] source	50
7	[noun pl] are a major [noun]	37
8	[noun pl] are a major [noun]	37
9	[noun pl] are a great [noun]	34
10	[noun pl] are a [adj -er] [noun]	33
11	[noun pl] are a great [noun]	32
12	[noun pl] are a [adj] part	29
13	[noun pl] are a [adj] part	29
14	[noun pl] are a [adj] way	28
15	[noun pl] are a [adj] way	28
16	[noun pl] are a [adj] [n mass]	25
17	[noun pl] are a [adj] feature	20
18	[noun pl] are a [adj] feature	20
19	[noun pl] are a common [noun]	20
20	[noun pl] are a common [noun]	20
21	[noun pl] are a vital [noun]	18
22	[noun pl] are a vital [noun]	18
23	[noun pl] are a different [noun]	17
24	[noun pl] are a different [noun]	17
25	[noun pl] are a [adj] example	16
26	[noun pl] are a useful [noun]	15
27	[noun pl] are a useful [noun]	15
28	[noun pl] are a [adj] example	15
29	[noun pl] are a [adj] idea	14
30	[noun pl] are a [adj] idea	14