When you are talking about possible situations, you can express how likely you think they are. 表达可能性有多大可用以下方式：

• ◆ It's pretty much inevitable that prices will go up this year. 今年价格上涨几乎是不可避免的了。
• ◆ I think it's likely to rain this afternoon. 我觉得今天下午有可能下雨。
• ◆I'm probably going to be away then. 到那时候我可能就要离开了。
• ◆ I guess there's a fifty per cent chance that they'll say no. 我估计他们不同意的几率有百分之五十。
• ◆ It's unlikely, but not totally impossible, I suppose. 我想这不大可能，但并非完全没有可能。
• ◆ They can't possibly/really be serious about buying a boat! 他们不可能真要买一条船吧！
• ◆Let's start without them. They're bound to be late. 咱们不等他们了，先开始吧。他们肯定会迟到。

Discussing predictions 谈论预测

• ◆The number of people using mobile phones to purchase goods and services is expected / likely to more than double by the end of 2015. 到 2015 年年底，使用手机购买商品和服务的人数预计/可能会是现在的两倍多。
• ◆Experts have predicted / forecast that the number of people using their mobile phones to pay for goods and services should exceed 190 million in 2015. 专家已经预言，到 2015 年使用手机支付商品和服务费用的人数将超过 1.9 亿。
• ◆This figure is set to reach 200 million by 2016. 到 2016 年这个数字可能会达到 2 亿。
• ◆ By 2015, 800 million mobile phone users worldwide will be participating in social networks via their phone. 到 2015 年，全球将有 8 亿手机用户通过手机参与社交网络。
• ◆Sales of mobile phones in 2009 were lower than expected. * 2009 年的手机销量低于预期。
• ◆The company's announcement of 1.26 billion handsets sold for the year is in line with predictions. 公司宣布本年度手机销量为 12.6 亿部，符合预期。