SN4 ""

No	Pattern	Freq
1	be [adj] [subord] the [noun sg]	389
2	is [adj] [subord] the [noun sg]	355
3	be [adj] if the [noun sg]	337
4	be [adj] when the [noun sg]	210
5	be [adj] because the [noun sg]	189
6	was [adj] [subord] the [noun sg]	177
7	are [adj] [subord] the [noun sg]	85
8	be [adj] whether the [noun sg]	83
9	be [adj] as the [noun sg]	74
10	be [adj] where the [noun sg]	62
11	be necessary [subord] the [noun sg]	56
12	been [adj] [subord] the [noun sg]	52
13	were [adj] [subord] the [noun sg]	45
14	be [adj] until the [noun sg]	32
15	be [adj] since the [noun sg]	31
16	be [adj] unless the [noun sg]	30
17	be possible [subord] the [noun sg]	27
18	be doubtful [subord] the [noun sg]	24
19	be essential [subord] the [noun sg]	24
20	be important [subord] the [noun sg]	23
21	be available [subord] the [noun sg]	22
22	be surprised [subord] the [noun sg]	20
23	be [adj] before the [noun sg]	20
24	be helpful [subord] the [noun sg]	18
25	be useful [subord] the [noun sg]	18
26	be [adj] [subord] the government	18
27	be different [subord] the [noun sg]	17
28	be unclear [subord] the [noun sg]	16
29	be payable [subord] the [noun sg]	16
30	be present [subord] the [noun sg]	16