1、ving形式作主语观察例句1Knowing where the ball would go wasnt easy.2Shooting with great accuracy was another thing he learnt.3In this way，practising day in and day out helped Stephen sharpen his skills.归纳用法1v.ing形式作主语表示抽象的经常性的意义。Reading aloud is very important for us to learn a foreign language.大声朗读对我们学习一门外语是
2、很重要的。Going to bed early and getting up early is considered to be a good habit.早睡早起被认为是一种好习惯。2v.ing形式作主语时常后置，此时须用it作形式主语，用形容词或名词作表语，但这类形容词和名词较少，常见的形容词有：enjoyable，good，hard，worthwhile，nice，useless，worth等。常见的名词或名词短语有：no use，no good，fun，hard work，a hard/difficult job，a wonder，a waste of time等。The dictio
3、nary is of great use.It is worth buying.这本词典很有用，值得买。Its no good waiting here.Lets go home.在这儿等没好处，咱们回家吧。.单句语法填空1Reading(read) is necessary for you to expand your knowledge.2It is no use telling(tell) him to keep clean.3My(I) opening the door annoyed him.4Its a waste of time playing(play) video games
4、 everyday.5Not arriving(arrive) on time can be a form of avoidance.6Working(work) in these conditions is not a pleasure but a suffer.7There is no saying(say) when hell come.8Their(they) coming to help was a great encouragement to us.语法填空Since Tom went to high school，1.watching(watch) TV has become a
5、 routine for him.His mother always said “its a waste of time 2.spending(spend) time in front of TV.” 3.However，Tom always answers “I can keep a balance 4.between studying and watching TV.” 5.As you know，6.talking(talk) is easier than doing.7.Later(late)，Tom doesnt do well in the final exam and he is so sad.Toms mother knows that there is no point 8.scolding(scold) him now，so she comforts him and said“ it is no use 9.crying(cry) over spilt milk.There is no 10.telling(tell) what you can do，just try your best.
