1)he uses plastic bags to wrap food 
i suggest he shouldn't use plastic bags to wrap food
2)she always turns on the lights when going to bed
i suggest she should turn off the lights when going to bed 
3)his motorcycle uses too much gas 
i suggest he should reduce the amount of gas his motorcycle uses
4)they use electricity to catch fish 
i suggest they shouldn't use electricity  to catch fish
5)there are many cracks in your pipes 
i suggest you should chang your pipes 
6)i don't want to watch tv for recreation
i suggest you should watch tv for recreation 
7)they use many ordinary 100 watt light bulbs 
i suggest they shouldn't use many ordinary 100 watt light bulbs
8)he is having a toothache
i suggest she should go to dentist 
9)he wants to go australia for studying
i suggest  he should go to australia for studying 
10)they use too much coal gas and oil
i suggest they shouldn't use too much coal gas and oil 

1)I suggest he should use plastic bag to wrap food
2)I suggest she should turn off the light when go to bed 
3)I suggest he should reduce the amount of gas his motorcycle use
4)I suggest they should use electricity  to catch fish
5)I suggest you should chang your pipe
6)I suggest you should watch tv for recreation 
7)I suggest they should use many ordinary 100 wait light bulb
8)I suggest she should go to dentist 
9)I suggest  he should go to australia for studying 
10)I suggest they shouldn't use too much coal gas and oil 

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