SN4 ""

No	Pattern	Freq
1	have been the subject [prep] [adj]	142
2	have [been] the subject [prep] [adj]	142
3	have [been] the subject of [adj]	140
4	have [been] the subject [prep] [adj]	91
5	has [been] the subject [prep] [adj]	71
6	have [been] the subject [prep] [adj]	47
7	have [been] the subject [prep] [det]	45
8	have [been] the subject [prep] much	24
9	have [been] the subject [prep] much	24
10	had [been] the subject [prep] [adj]	18
11	have [been] the subject [prep] considerable	12
12	have [been] the subject [prep] considerable	12
13	have [been] the subject [prep] some	11
14	have [been] the subject [prep] some	11
15	have [been] the subject [prep] extensive	9
16	have [been] the subject [prep] extensive	9
17	have [been] the subject [prep] intense	8
18	have [been] the subject [prep] intense	8
19	have [been] the subject [prep] [num]	5