SN4 ""

No	Pattern	Freq
1	and over a [noun]	37
2	and over a [noun sg]	33
3	and over a [adj]	19
4	and over a [adj]	17
5	and over a period	14
6	and over a period	14
7	[noun] and over a	31
8	[noun sg] and over a	22
9	[noun pl] and over a	7
10	[adv] and over a	6
11	and [noun] over a	53
12	and [noun pl] over a	23
13	and [noun sg] over a	21
14	and [verb] over a	19
15	and [adv] over a	15
16	and [adv] over a	14
17	and preside over a	10
18	and [noun prp] over a	9
19	and [vb pp] over a	8
20	and [adj] over a	7
21	and [vb -s] over a	5
22	and [adj] over a	5
23	and [vb past] over a	5
24	and presides over a	5