Example sentences of "and off [prep] [adj] [noun pl] " in BNC.

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1 At home , people want to dim lights or to switch them on and off during long holidays .
2 Recall that at the beginning of this piece I briefly discussed what the representational theory of the mind has got right : that thoughts are not simple responses , reactions or reverberations to environmental stimulation — contrasting this with the case of the thermostat which automatically switches on and off at pre-set temperatures .
3 This means that while you are out for the evening , anyone who may be watching the house will be unsure as to whether you are at home or not , because various lights will go on and off at different times .
4 The chair has to come to rest at the bottom of the stairs and you need room to get on and off at both ends .
5 Particular genes can be switched on and off at particular times because the bottleneck/growth-cycle calendar ensures that there is such a thing as a particular time .
6 In ‘ random mode ’ , the time controller will switch an appliance on and off at random intervals during the four ON periods already set for the programme mode .
7 Jazzbeaux had been wearing them on and off for two days .
8 We were lovers on and off for three years .
9 She lived here on and off for three years .
10 What was attractive about the American consortium approach — and I must emphasise that it was never a take-over bid , Sikorsky 's stake is only eight per cent — was firstly , we had worked with Sikorsky on and off for forty years .
11 But , apart from a winter break , whatever is planned around the 23rd relates to one specific plan or association which has been on and off for several months and is now back on again .
12 These devices can be set by you to switch lights on and off for determined periods while you are away from home .
13 A 30 year old woman presented with asthma which she had on and off for 3 years .
14 ‘ Having studied these on and off for some days , what is your opinion ? ’
15 The lane led to the village one way , and off towards distant farms the other .
16 ‘ Everything was on and off in those days .
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