词性转换与词形变化语法填空专项训练
一、名词与形容词的转换
（一）真题回顾
1.The________(happy)onherfaceshowedthatshehadpassedtheexam.
2.Weshouldtakeactiontoprotectthe________(environment)animals.
（二）知识点巩固
名词变形容词，常见规则有：在名词后加-y构成形容词，如health-healthy；部分名词加-ful构成形容词，表“充满……的”，如care-careful；还有加-less构成表否定意义的形容词，如hope-hopeless；以ce结尾的名词，变形容词时通常把ce变为t，如confidence-confident。
（三）强化训练
1.Its________(danger)toplayfootballonthestreet.
2.The________(noise)kidsmademeunabletofocus.
3.The________(sun)weatherisperfectforapicnic.
4.Heisa________(luck)boyandalwaysgetswhathewants.
5.Weshouldbe________(thank)forwhatwehave.
6.The________(wood)houselooksverybeautiful.
7.The________(cloud)skymadethedayseemgloomy.
8.The________(friend)peopleinthetownmademefeelathome.
9.Thisisa________(use)bookthathelpsmealot.
10.Weliveina________(peace)worldandshouldcherishit.
二、形容词与副词的转换
（一）真题回顾
1.Theboyruns________(fast)thanhissister.
2.Shesings________(beautiful)andeveryonelikeshersongs.
（二）知识点巩固
形容词变副词，一般在形容词词尾加-ly，如quick-quickly；以“辅音字母+y”结尾的形容词，先把y变为i，再加-ly，如happy-happily；少数以-le结尾的形容词，去e加-y，如terrible-terribly；但有些词有特殊变化，如good-well。
（三）强化训练
1.HespeaksEnglish________(fluent)afteryearsofpractice.
2.Theylistenedtotheteacher________(careful)inclass.
3.Theoldmanwalked________(slow)acrossthestreet.
4.Shedances________(graceful)onthestage.
5.Therainisfalling________(heavy)outside.
6.Weshoulddoourhomework________(serious).
7.Thecarisrunning________(smooth).
8.Thewindisblowing________(strong).
9.Heansweredthequestion________(correct).
10.Theyplayedthegame________(fair).
三、动词与名词的转换
（一）真题回顾
1.His________(suggest)isveryuseful.
2.The________(invent)ofthecomputerhaschangedourlivesgreatly.
（二）知识点巩固
动词变名词，常见方式有：在动词后加-tion、-sion、-ation等后缀，如invent-invention，decide-decision；部分动词加-ment构成名词，如develop-developm