SN4 ""

No	Pattern	Freq
1	have shown that [adj] [noun]	201
2	have shown that [adj] [noun]	132
3	have shown that [adj] [noun]	107
4	have shown that [adj] [noun sg]	97
5	has shown that [adj] [noun]	86
6	have shown that [adj] [noun pl]	85
7	have shown that [det] [noun]	56
8	have shown that this [noun]	13
9	have shown that this [noun]	13
10	have shown that [adj] [n mass]	13
11	have shown that these [noun]	12
12	have shown that these [noun]	12
13	have shown that many [noun]	10
14	have shown that many [noun]	10
15	had shown that [adj] [noun]	8
16	have shown that [adj] people	8
17	have shown that [adj] people	8
18	have shown that [num] [noun]	8
19	have shown that some [noun]	7
20	have shown that some [noun]	7
21	have shown that most [noun]	7
22	have shown that most [noun]	7
23	have shown that [adj] [noun prp]	5