來源:網(wǎng)絡(luò)資源 2023-10-01 20:34:03
動詞的現(xiàn)在分詞:
規(guī)則
(1)一般在動詞后加 ing
do-doing
stay-staying
(2)以不發(fā)音的字母e結(jié)尾的動詞先去e,再加ing
dance-dancing
ride-riding
write-writing
(3)以重讀閉音節(jié)結(jié)尾的,先雙寫最后一個輔音字母,再加ing
sit-sitting
run-running
swim-swimming
begin-beginning
(4)以ie結(jié)尾的單詞,改ie為y,再再加ing
lie-lying
現(xiàn)在進(jìn)行時的陳述句和一般疑問句:
知識要點(diǎn):
1.肯定陳述句:主語+ be + 現(xiàn)在分詞+……
例如:
I am running.
She is working.
You are singing.
2.否定陳述句:主語+ be + not + 現(xiàn)在分詞+……
例如:
I am not running.
She isn't working.
You are not singing.
3. 一般疑問句結(jié)構(gòu):Be + 主語 + 現(xiàn)在分詞 + ……
例如:
---Are you singing?
---Yes, I am. / No, I am not.
---Is he listening to music?
---Yes, he is. / No, he isn't.
現(xiàn)在進(jìn)行時的特殊疑問句:
知識要點(diǎn):
現(xiàn)在進(jìn)行時特殊疑問句的結(jié)構(gòu):疑問詞+ be( am, is, are)+主語+現(xiàn)在分詞+…?
例如:
--- What are you doing?
--- I am doing my homework.
--- Where are you doing your homework?
--- I am doing it at home.
--- Whose father is watering trees?
--- Lily's father is watering trees.
注意:解題時要抓住主要涉及的內(nèi)容來使用不同的疑問詞,回答特殊疑問句時要根據(jù)不同的人或物而選擇不同的疑問代詞回答
例如:
--- What's your brother doing?
--- He is sleeping.
--- What's your brother?
--- He is a teacher.
每天一練
一、單項(xiàng)選擇。
( ) 1. ---Is your mother ______ the room?
---Yes, she is.
A. cleans B. cleaning C. cleaned
( ) 2. ______ your classmates playing games?
A. Am B. Is C. Are
( ) 3. My sister______ her homework now.
A. doing B. is doing C. is do
( ) 4. He______ climbing mountains.
A. am not B. isn't C. aren't
( ) 5. What______ you______ now?
A. am, doing B. is, doing C. are, doing
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