SN4 ""

No	Pattern	Freq
1	[adj] than it [verb]	385
2	[adj] than it [vb past]	206
3	[adj] than it [vb -s]	178
4	[adj] than it have	165
5	[adj -er] than it [verb]	146
6	[adj] than it [verb]	130
7	[adj] than it had	112
8	[det] than it [verb]	97
9	more than it [verb]	78
10	more than it [verb]	78
11	[adj] than it has	49
12	[adj] than it do	46
13	[adj] than it look	35
14	[adj] than it did	29
15	[adj] than it looks	25
16	[adj] than it appear	24
17	[adj] than it sound	23
18	[adj] than it sounds	20
19	[adj] than it seem	19
20	[adj] than it does	17
21	less than it [verb]	16
22	less than it [verb]	16
23	good than it [verb]	15
24	better than it [verb]	15
25	higher than it [verb]	14
26	high than it [verb]	14
27	[adj] than it appears	14
28	[num] than it [verb]	12
29	[adj] than it seems	12
30	difficult than it [verb]	10