6.3 Extending skills
Answers
Main subject Main verb Main object/ complement
1 one computer provides data
Other verbs + subjects/ objects/complements
acts as a server; Adverbial phrases
2 much of the copper wire
3 Wi-Fi 4 computers
5 The internet backbone
E Set for individual work.
If the main clause is active, it should be changed to the passive, and vice versa.
Students may need to be reminded of the rules for changing from active to passive. Active Subject
Verb
One computer
Passive Subject Data provides
Auxiliary verb + past participle
Object data.
Object
is provided by one computer.
Make clear to students that, once they have modified the grammar of the main clause, they need to include the extra information from the other columns so that their sentences make sense.
The easiest way to proceed is to first rewrite the information from the first three columns as a very basic sentence, and then to look for the correct places to add the other information back in.
For example, the basic structure of sentence 2 is the following passive sentence (see answers for Exercise D).
Subject Verb the copper wire was replaced
In the active voice, this becomes: Subject
Verb fibre-optic cables replaced Object by fibre-optic cables Object the copper wire 121
Students will probably need a fair amount of guidance here. You could visually display the sentences (as provided in the PDF) and do the exercise with the whole class, marking up the relative pronouns and their antecedents.
was replaced by fibre-optic cables.
became need describes
which connected the phone network
more common providing internet connections
clear standards for communication.
a collection of networks with a very high capacity,
–
which link internet networks with a lower capacity together.
In client-server networks, – usually more powerful – to client computers in the network. During the 2010s,
for laptops or other mobile devices over short distances, without the need to link with a cable.
To make effective use of the physical infrastructure of networks,
–
The rest of the information can then be added back in:
During the 2010s, fibre-optic cables replaced much of the copper wire which connected the phone network.
Make students aware that it’s not always possible to change an active verb to a passive verb (as in sentence 3).
Possible answers 1. Data to client machines in client-server networks is provided by one computer, (which is) usually more powerful.
2. During the 2010s, fibre-optic cables replaced much of the copper wire which connected the phone network.
3. Without the need to link with a cable, Wi-Fi became more common, providing internet connections for laptops or other mobile devices over short distances.
4. Computers need clear standards for communication to make effective use of the physical infrastructure of networks.
5. A collection of networks with a very high capacity, which link internet networks with a lower capacity together, is described as the internet backbone.
F 6.3_F
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