SN4 ""

No	Pattern	Freq
1	necessary [verb] the [noun]	871
2	necessary [to-vb] the [noun]	854
3	necessary [verb] the [noun sg]	664
4	necessary [verb] the [noun pl]	180
5	necessary consider the [noun]	31
6	necessary to consider the [noun]	31
7	necessary to meet the [noun]	23
8	necessary meet the [noun]	23
9	necessary to examine the [noun]	22
10	necessary examine the [noun]	22
11	necessary to protect the [noun]	21
12	necessary protect the [noun]	21
13	necessary [verb] the [noun prp]	14
14	necessary use the [noun]	14
15	necessary make the [noun]	13
16	necessary [verb] the [n mass]	13
17	necessary to make the [noun]	12
18	necessary support the [noun]	11
19	necessary to use the [noun]	11
20	necessary enable the [noun]	11
21	necessary to support the [noun]	11
22	necessary to preserve the [noun]	11
23	necessary understand the [noun]	11
24	necessary to understand the [noun]	11
25	necessary get the [noun]	11
26	necessary preserve the [noun]	11
27	necessary to enable the [noun]	11
28	necessary [verb] the child	10
29	necessary [verb] the requirements	10
30	necessary to establish the [noun]	10