小升初英语语法-数词(通用版)

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45
加个横杆几十几, and连接一百几
生活中的基数词
There are five people in my family. I see four sheep in the picture.
The vegetables are __f_if_t_y__ percent off.
It’s _n_in_e__ o’clock.
三、把下列基数词改成序数词
one_f_i_r_s_t__
two_s_e_c_o_n_d__
three__th__ir_d___
nine_n_i_n_t_h__ fourteenf_o__u_r_te__e_n_t_h twenty__t_w_e_n_t_i_e_t_h_ thirty-five_t_h_i_r_t_y_-_f_i_f_t_h_ sixty-four_s_i_x_t_y_-_f_o_u_r_t_h___
小升初语法 数词
什么是数词?
基数词
基数词
表示数量多少的数词。
序数词
表示事物数量或 顺序的词叫数词。
数词
巧记基数词
one 1 two 2 three 3 four 4
five 5 six 6
seven 7 eight 8 nine 9 ten 10
eleven 11 twenty 20 one hundred100
4.There are_s_ix_t_y_minutes in an hour. 5.Thursday is the _f_if_t_h_day of a week. 6.There are_t_h_i_rt_y_-_o_n_e____days in January.
7.There are _t_w_e_lv_e__months in a year. 8.DecemberD__e_ce_m_b_e_r_is Christmas. 9.There are__f_o_u_r_____seasons in a year.
基数词
序数词
eight nine five twelve twenty
eighth (8th) ninth (9th) fifth (5th) twelfth(12th) twentieth(20th)
变化规律
基数词
序数词
如果遇到几 十几,只变 个位就可以。
twenty-one
twenty-first(21st)
序数词
当序数词有形容 词性物主代词修 饰时,序数词前 面不用the。如: my tenth birthday
序数的用法 1
基数词 2 3
4
表示顺序排序,如 He is the first
表示日期的几日,如May first
表示几岁生日,如 My tenth birthday 表示楼层,如second floor
seventy 70 eighty 80
1到12分别记,13到19都带 -teen,13thirteen要注意, 15fifteen要牢记,18
eighteen18
ninety
90
Eighteen少了t,19 nineteen别漏e。说到几十
nineteen 19 forty-five 怎么办,ty来把teen替。
一、在横线上填写合适的数词,把下面的算术题补完整
1.seven+__th_r_e_e_=ten 3._t_w_e_lv_e- four=eight 5.threexfour=_tw__el_v_e 7.eightxseven=f_i_ft_y_-_s_ix 9.six x nine=_f_if_t_y-_f_our
He won the_f_ir_s_t_prize in the running race.
The butterfly is
on the _s_e_co_n_d__ floor.
Labour Day is on
the_M__a_y_1_s_t__.
序数词
表示事物的顺序 用序数词,其前 面一般要加定冠 词the。如:on the second floor
twelve 12 thirteen13
thirty 30 one hundred forty 40 and sixty 160
fourteen14 fifty 50 one thousand1000
fifteen 15 sixty 60 one million 1000000
sixteen 16 sev 1.There are_t_w_e_n_t_y_-_si_x__letters in English alphabet.
2.There are _s_e_ve_n__days in a week. 3.There are _t_w_e_n_ty_-_f_o_u_r___hours in a day.
Thirty plus three is _t_h_i_rt_y_-_t_h_r_e_e___.
30+3=?
基数词的用法 1 2
基数词 3 4
5 6
表示具体的数量,如four people 表示年份,如in 2023
表示时间,如 It’s 9
表示身高、体重、年龄, 如three years old 表示价格,如fifty –five yuan 表示数学算式的数, 如one plus one is two.
序数词的写法
一般情况下:基数词加-th
four - fourth sixteen - sixteenth
变化规律
1,2,3特殊记, 结尾各是st,
nd,rd
基数词
序数词
one two three
first(1st) second (2nd)
third (3rd)
变化规律
8减t,9去e, f来吧ve替, ty要换tie, 结尾需加th。
2. e_eig_igh_ht_te_ee_enn+two=twenty 4._si_x__÷two=three 6.sixty-fifteen=f_or_t_y-_f_ive 8.f_o_u_r_te_e_n÷seven=two 10.six x_f_o_u_r=twenty-four
二、根据括号中的数字填写合适的序数词或基数词
序数词缩写形式: 对应数字+末尾的两个字母
first(1st) eighth (8th) second (2nd) ninth (9th)
third (3rd) fifth (5th) twelfth(12th) twentieth (20th)
twenty-first(21st)
Let’s practice
1.Annie is_t_en__(10) years old, she is in Class_th_r_e_e(3) Grade_f_o_ur__(4). 2.My birthday is on the_ni_n_th__(9)of May. 3.September is the_n_in_t_h_(9)month in a year. 4.Which boy is thinner, the _f_ir_s_t _(1)one or the _se_c_o_n_d(2) one? 5.There are_e_i_gh_t_e_e_n_(18)boys in our class.
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