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1、表示原因
1)There are threereasons for this.
2)The reasons for thisare as follows.
3)The reason for thisis obvious.
4)The reason for thisis not far to seek.
5)The reason for thisis that...
例如： There are three reasons for the changes that have taken place inour life. Firstly, people’s living standard has been greatly improved. Secondly, most people are well paid, and theycan afford what they need or like. Last but not least, more and more peopleprefer to enjoy modern life.
2、表示好处
1)It has the followingadvantages.
2)It does us a lot ofgood.
3)It benefits us quitea lot.
4)It is beneficial tous.
5)It is of greatbenefit to us.
例如： Books are like friends. They can help us know the world better, andthey can open our minds and widen our horizons. Therefore, reading extensivelyis of great benefit to us.
3、表示坏处
1)It has moredisadvantages than advantages.
2)It does us muchharm.
3)It is harmful to us.
例如：However, everything divides into two. Television can also be harmfulto us. It can do harm to our health and make us lazy if we spend too much timewatching television.
4、表示重要、必要、困难、方便、可能
1)It is important(necessary, difficult,convenient, possible)for sb.to do sth .
2)We think itnecessary to do sth.
3)It plays animportant role in our life.
例如： Computers are now being used everywhere, whether in the government,in schools or in business. Soon, computers will be found in every home, too. Wehave good reason to say that computers are playing an increasingly importantrole in our life and we have stepped into the Computer Age.
5、表示措施
1)We should take someeffective measures.
2)We should try ourbest to overcome(conquer)the difficulties.
3)We should do ourutmost in doing sth.
4)We should solve theproblems that we are confronted(faced)with.
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发表于 2016-7-10 14:44:49