SN4 ""

No	Pattern	Freq
1	[noun] be required for [adj]	84
2	[noun sg] be required for [adj]	50
3	[noun pl] be required for [adj]	30
4	[vb mod] be required for [adj]	21
5	[modal v] be required for [adj]	21
6	[pron] be required for [adj]	10
7	[conj] be required for [adj]	10
8	may be required for [adj]	9
9	may be required for [adj]	9
10	that be required for [adj]	7
11	would be required for [adj]	7
12	[adv] be required for [adj]	7
13	[that] be required for [adj]	7
14	[Wh det] be required for [adj]	7
15	that be required for [adj]	7
16	would be required for [adj]	7
17	[adv] be required for [adj]	5
18	be [adv] required for [adj]	17
19	be [adv] required for [adj]	13
20	be required [verb] for [adj]	10
21	be required [v-ing] for [adj]	5
22	be required reading for [adj]	5
23	be required [to-vb] for [adj]	5
24	be required [adv] for [adj]	5
25	be required [adv] for [adj]	5
26	be required read for [adj]	5
27	be required for [art] [adj]	55
28	be required for [art] [adj]	55
29	be required for the [adj]	30
30	be required for the [adj]	30