2026外研版三起点小学英语四年级下册第四单元语法精讲和情境练习题

外研版三起点小学英语四年级下册第四单元语法精讲和情境练习题一、单元核心语法精讲1.现在进行时含义：此时此刻正在做某事结构：-肯定：主语+am/is/are+动词-ing-否定：主语+am/is/are+not+动词-ing-一般疑问：Is/Are+主语+动词-ing…?动词-ing变化规则：1.

直接加ing：plant—planting

water—watering2.

去e加ing：take—taking

make—making3.

辅元辅结尾，双写尾字母加ing：dig—digging

run—running2.Therebe句型Thereis+单数名词/不可数名词Thereare+复数名词口诀：is配单，are配复3.祈使句肯定：动词原形开头否定：Don’t+动词原形4.重点名词单复数leaf→leaves（叶子）root→roots

stem→stems

flower→flowerswheat小麦（不可数，无复数）

二、单项选择（15道）()1.Look!Thebird______inthetree.A.sing

B.issinging

C.singing()2.There______somegreenleavesontheplant.A.is

B.are

C.am()3.Don’t______theflowersinthegarden.A.pick

B.picking

C.picks()4.—What______youdoing?—I’mplantingseeds.A.is

B.are

C.do()5.There______abigsunflowerinmygarden.A.is

B.are

C.aren’t()6.Heis______aholenow.A.dig

B.digging

C.digs()7.—Isshewateringthewheat?—______A.Yes,sheis.

B.Yes,shedoes.

C.No,shecan’t.()8.The______aregrowingfast.A.leaf

B.leaves

C.leafs()9.______theseedseveryday.Theyneedwater.A.Water

B.Waters

C.Watering()10.They______playingfootball.Theyareworking.A.are

B.isn’t

C.aren’t()11.There______anyapplesonthetree.A.is

B.are

C.aren’t()12.Lilylikes______plants.A.look

B.lookingat

C.looking()13.—Howmany______arethere?—Five.A.leaf

B.leaves

C.leafs()14.Mybrotherisbusy.He______plantingtrees.A.is

B.are

C.am()15.—______inthebox?—Therearesomeseeds.A.What’s

B.Whatare

C.Where’s

三、情景专项练习题（一）用所给动词适当形式填空1.

She______________(water)theflowers.2.

He______________(dig)ahole.3.

They______________(plant)trees.4.

Theseeds______________(grow).（二）Therebe句型填空1.

______________asunflowerinthegarden.2.

______________somegreenleavesonthetree.3.

______________anywheathere.(否定)4.

______________twotomatoesontheplant.（三）祈使句选择正确单词填空1.

_______(Pick/Don’tpick)theroses.2.

_______(Water/Don’twater)theplantseveryday.3.

_______(Touch/Don’ttouch)theyoungtrees.（四）情景交际连线1.

Whatareyoudoing?

A.Yes,theyare.2.

Aretheseedsgrowing?

B.I’mlookingataleaf.3.

Ishewateringthewheat?C.Therearefive.4.

Howmanyleavesarethere?D.No,heisn’t.（五）选择合适的词补全短文选词框：are,garden,watering,happy,planting,is,leavesTodayisSaturday.Lucyandhersisterareinthe_______.Look!Lucy______________flowers.Hersisteris_______asmalltree.There_______manygreen_______onthetrees.There_______asunflowertoo.Theyarevery_______.

四、任务型阅读（一）It’sSundaymorning.LilyandherbrotherTomareintheirgarden.Look!Lilyiswateringtheflowers.Tomisdiggingahole.Theywanttoplantasmalltree.Therearemanyplantsinthegarden.Thereareredflowersandgreenleaves.Thereisabigsunflowertoo.Nowthelittletreeisinthehole.Theyareveryhappy.Theyloveplants.任务1判断正(T)误(F)()1.LilyandTomareinthepark.()2.Lilyiswateringtheflowers.()3.Tomisplantingrice.()4.Therearemanyplantsinthegarden.()5.Thereisn’tasunflowerinthegarden.任务2短文填空（每空一词）1.

It’s______morning.2.

Tomis______ahole.3.

Theywantto______asmalltree.4.

Thereareredflowersand______leaves.5.

They______plantsverymuch.任务3回答问题1.

WhereareLilyandTom?

2.

WhatisLilydoing?

3.

Arethereanyflowersinthegarden?

五、任务型阅读（二）ThisisSam’ssmallfarm.It’sverynice.Look!Manyplantsaregrowinghere.Therearesometalltreesandyellowflowers.Thereisalsomuchwheatonthefarm.NowSamandhisfriendAmyarebusy.Samisplantingseeds.Amyispickingflowers.Theyarenotplayinggames.Theylikeworkingonthefarm.Theythinkplantsareourgoodfriends.任务1判断正(T)误(F)()1.ThisisSam’sbigschool.()2.Therearetalltreesandyellowflowersonthefarm.()3.Thereismuchwheatonthefarm.()4.Samiswateringtheseeds.()5.Amyisn’tplayinggamesnow.任务2短文填空（每空一词）1.

Sam’sfarmisvery________.2.

Manyplantsare________onthefarm.3.

Samis________seedsnow.4.

Amyis________flowers.5.

Theythink________areourgoodfriends.任务3回答问题1.

Wherearethetreesandflowers?

2.

WhatareSamandAmydoing?

3.

Dotheylikeplants?

全套参考答案二、单项选择1.B2.B3.A4.B5.A6.B7.A8.B9.A10.C11.C12.B13.B14.A15.A三、情景练习答案（一）1.

iswatering

2.isdigging2.

areplanting

4.aregrowing（二）1.

Thereis

2.Thereare2.

Therearen’t

4.Thereare（三）1.

Don’tpick

2.Water

3.Don’ttouch（四）1—B

2—A

3—D

4—C（五）选词补全短文答案garden,is,watering,planting,are,leaves,is,happy四、阅读一答案任务1：FTFTF任务2：1.Sunday2.digging3.plant