Unit2I’llhelptocleanupthecityparks.
SectionA
1.Youshouldhelptocleanupthecityparks.
Cleanup意为“彻底打扫；清除”，是“动词+副词”结构的短语动词，后面跟名词作宾格时，名词放在up前后均可，后面跟代词作宾格时，代词应当放在up前面。
e.g.Heoftenhelpsparentscleanuptheroomsonweekends.
2.Thegirlcouldvisitthesickkidsinthehospitaltocheerthemup.
Cheerup意为“变得更高兴，振奋起来”，是“动词+副词”结构的短语，cheerup既可以作及物动词短语，也可以作不及物动词短语
e.g.HecheeredupatoncewhenIagreedtohelphim.
Cheerup!Thenewsisn’ttoobad.
Hetookhertothecinematocheerherup.
【拓展】
1）cheer作不及物动词，意为“欢呼；喝彩”
e.g.Thegirlscheeredasthefamoussingerarrived.
2)cheer作及物动词，意为“为···欢呼，高呼”
e.g.Thewholevillageturnedouttocheerthehero
3)cheer作可数名词，意为“欢呼声，喝彩声”
e.g.Wecanhearthecheersofstudentsoutsidethegym.
4)cheeron意为“为···加油”
e.g.Wewillhaveabasketballgamethisafternoon.Wouldyouliketocomeandcheeruson？【现学现练】
Hefailedinthemathtestandlookssad.Let’s_______
A.puthimup
B.sethimup
C.cheerhimup
D.cleanhimup
3.Theboycouldgiveoutfoodatthefoodbank.
Giveout意为“散发，分发”，相当于“handout”，是“动词+副词”的短语动词
e.g.Canyougiveoutthedrinksout,please
Giveout的不同含义：
1）giveout表示“发出（光、热、声音、气味等）
e.g.Thesungivesoutlightandheattotheearth.
2)giveout表示“用完，耗尽”
e.g.Ourfoodsuppliesbegantogiveout.
4.Thegirlcouldvolunteerinanafter-schoolstudyprogramtoteachkids.
Volunteer动词，意为“志愿做，义务做”，后可跟名词、代词或动词不定式作宾语
e.g.Jennyvolunteeredtocleanuptheroomafterparty.
Volunteer作可数名词，意为“志愿者”
e.g.CanIhaveavolunteertocollecttheglasses
5.Wecan’tputoffmakingaplan
Putoff意为“推迟”，是“动词+副词”的短语动词，其后可跟名词、代词或动名词作宾语
e.g.Theyputoffthematchbecauseoftheheavyrain.
Pleasedon’tputoffdoingyourhomework.
Neverputofftilltomorrowwhatyoucandotoday.
由put构成的常见短语有：
Putaway将···收起来puton穿上；上演putdown放下；记下Putout熄灭；伸出putback放回原处putup张贴；搭建
6.Let’smakesomenotices,too
Notice此处作可数名词，意为“公告牌；通告；布告”
e.g.Thereisanoticeonthewall,saying“NoParking”
I’llputupanoticeaboutthemeeting.
1）notice作不可数名词，意为“注意”
e.g.Takenoticeofwhattheysay.
2)notice作动词，意为“注意到，留心，看到”
e.g.DidyounoticeJackcomein
7.Theytoldmestoriesaboutthepastandhowthingsusedtobe
Usedto意为“过去···，曾经···”，后跟动词原形，表示“过去常常做某事”，指表示过去和现在的对比，暗指现在已经不存在的动作或状态
e.g.Heusedtoworkinthehospital.
Hedidn’tusetowalkaftersupper.
1)beusedtodosth.意为“被用于做某事”，不定式表目的
e.g.Thebookisusedtoteachushowtowrite.
2)beusedfor+n./v.ing表示“被用于···”
e.g.Astampisusedforsendingletters.
3)get/beusedtodoingsth.
e.g.Heisusedtoeatingoutallthetime.
8.Yeah,alotofoldpeoplearelonely.
Lonely是形容词，充当表语，指“孤独的”，用于人时，表示一种心理状态，突出内心孤独寂寞的感觉，侧重缺少同伴友谊而感到孤独、寂寞。含忧郁之意。
e.g.Hefeltverylonelywithouthisfriends.
9.···giveupseveralhourseachweektohelpothers.
Several作形容词，意为“几个，数个”，修饰可数名词复数
e.g.Severaldayslater,Grandmacametothelibrarytoborrowsomebooks.