SN4 ""

No	Pattern	Freq
1	which [be] [adj] for the [noun]	120
2	which [be] [adj] for the [noun]	116
3	which [be] [verb] for the [noun]	62
4	which [be] [vb pp] for the [noun]	55
5	which [be] responsible for the [noun]	39
6	which [be] responsible for the [noun]	39
7	which [be] essential for the [noun]	11
8	which [be] necessary for the [noun]	11
9	which [be] necessary for the [noun]	11
10	which [be] essential for the [noun]	11
11	which [be] supplied for the [noun]	8
12	which [be] supply for the [noun]	8
13	which [be] [adv] for the [noun]	7
14	which [be] appropriate for the [noun]	7
15	which [be] appropriate for the [noun]	7
16	which [be] use for the [noun]	6
17	which [be] used for the [noun]	6
18	which [be] [v-ing] for the [noun]	5
19	which [be] [adv] for the [noun]	5
20	which [be] for the [adj] [noun]	5