SN4 ""

No	Pattern	Freq
1	[vb pp] from time	139
2	[vb past] from time	72
3	[vb base] from time	62
4	[vb infin] from time	49
5	[v-ing] from time	40
6	[vb -s] from time	38
7	[to-vb] from time	25
8	have from time	20
9	vary from time	19
10	do from time	14
11	occur from time	14
12	change from time	12
13	vary from time	11
14	use from time	10
15	review from time	9
16	appear from time	8
17	have from time	8
18	see from time	7
19	used from time	7
20	has from time	7
21	seen from time	7
22	stop from time	6
23	make from time	6
24	occur from time	5
25	reviewed from time	5
26	stir from time	5
27	do from time	5
28	pause from time	5
29	check from time	5
30	meet from time	5