SN4 ""

No	Pattern	Freq
1	be [adj] if the [noun sg]	378
2	[be] [adj] if the [noun sg]	337
3	[be] [adj] if the [noun sg]	195
4	be [adj] if the [noun sg]	195
5	[is] [adj] if the [noun sg]	112
6	is [adj] if the [noun sg]	109
7	[be] [adj -er] if the [noun sg]	35
8	been [adj] if the [noun sg]	28
9	[been] [adj] if the [noun sg]	28
10	[be] necessary if the [noun sg]	27
11	[be] necessary if the [noun sg]	27
12	[am/are] [adj] if the [noun sg]	21
13	are [adj] if the [noun sg]	19
14	[be] essential if the [noun sg]	18
15	[be] essential if the [noun sg]	18
16	[was/were] [adj] if the [noun sg]	17
17	[be] good if the [noun sg]	17
18	[be] helpful if the [noun sg]	16
19	[be] helpful if the [noun sg]	16
20	was [adj] if the [noun sg]	14
21	[be] better if the [noun sg]	13
22	[be] doubtful if the [noun sg]	12
23	[be] doubtful if the [noun sg]	12
24	[be] surprised if the [noun sg]	11
25	[be] surprised if the [noun sg]	11
26	[be] [adj] if the government	10
27	[be] possible if the [noun sg]	10
28	[be] possible if the [noun sg]	10
29	[be] different if the [noun sg]	9
30	[be] different if the [noun sg]	9