1b Use the examples to help you match the two halves of the rules.

1Have to and must are used...
2 Can is used...
3 Had better ought to and should have similar
meanings. They are used...
4 We use can't...
5 Mustn't is also used...
6 We use don't have to ...

a) to show that something is not possible, or not
allowed or permitted.
b) to show that something is not necessary or there is
no obligation
c) to talk about things which are obligatory or
necessary
d) to show that something is possible or permitted.
e) to show that something is not permitted.
f) for advice and recommendations.

если от куска материи длиной   метра отрезать пол метра, а именно метра, то длина оставшейся части составит

  метра.

таким образом, для того чтобы отрезать от имеющегося куска   метра нам понадобится, сложить данный кусок материи в четверо

1) use space satellites to monitor the movement of cyclones and anticyclones and on the basis of this information to prepare weather forecasts.

television, radio or the internet.

100500%

1)it*s half past one(1: 30). 2)it*s three o*clock(3: 00). 3)it*s a quarter past seven(7: 15). 4)it*s forty-five minutes to twelve(12: 45). 5)it*s a quarter past nine(9: 15).