主格 I we you you she/he/it they
賓格 me us you you her/him/it them
代詞所有格 my our your your her/his/its their
名詞性代詞 mine ours yours yours hers/his/its theirs
be動詞現在時 Am are are are is are
be動詞過去時 was were were were was were
規則1 一般情況+s e.g. shell→shells toy→toys
規則2 以s, x, ch, sh結尾+es e.g. fox→foxes church→churches
規則3 以o結尾+s或+es e.g. radio→radios potato→potatoes
規則4 以f, fe結尾的，變f, fe為ves e.g. life→lives half→halves
規則5 以輔音字母+y結尾， 變y為i+es e.g. sky→skies study→studies
規則1 一般情況+s e.g. like-likes, look-looks
規則2 以s, x, ch, sh和o結尾+es e.g. do-does, catch-catches
規則3 以輔音字母+y結尾， 變y為i+es e.g. carry-carries, fly-flies
規則1 一般動詞加-ing e.g. look-looking, read-reading, play-playing
規則2 以不發音的字母結尾的單詞去e加-ing e.g. make-making, take-taking, arrive-arriving
規則3 重讀閉音節詞結尾， 即單詞中只有一個元音字母，其后緊跟一個輔音字母的詞，雙寫輔音字母再加-ing e. g. run-running, sit-sitting, get-getting, swim-swimming, stop-stopping
規則1 一般動詞加-ed e.g. look-looked, watch-watched, play-played
規則2 以e結尾的加-d e.g. make-maked, arrive-arrived
規則3 以輔音字母y結尾的變y為i加-ed cry-cried, carry-carried
規則4 重讀閉音節詞結尾， 即單詞中只有一個元音字母，其后緊跟一個輔音字母的詞，雙寫輔音字母再加-ed stop-stopped
在清輔音后面(除外)讀/t/ e.g. walked, jumped
在濁輔音和元音后讀/d/ e.g. washed, watched
在/t/，/d/后讀/id/ e.g. waited, hated
規則1 一般加-er e.g. high-higher
規則2 以e結尾加-r nice-nicer
規則3 以輔音字母加y結尾，變y為i再加-er busy-busier
規則4 重讀閉音節結尾， 雙寫輔音字母再加-er fat-fatter
規則1 一般加-est e.g. high-highest
規則2 以e結尾加-st nice-nicest
規則3 以輔音字母加y結尾，變y為i再加-est busy-busiest
規則4 重讀閉音節結尾， 雙寫輔音字母再加--est fat-fattest
is='s I am=I'm are='re
is not=isn't /iznt/ are not=aren't /a:nt/
將be動詞變為過去式。am, is的過去式為was, are的過去式為were：
I was at the butcher's.
You were a student a year ago.
The teacher was very beautiful ten years ago.
Were you at the butcher's?
Were you a student a year ago?
Was the teacher very beautiful ten years ago?
I was not at the butcher's.
You were not a student a year ago.
The teacher was not very beautiful ten years ago.
Yes, I was. / No, I was not.
Yes, you were. / No, you were not.
Yes, he/she was. / No, he/she was not.
I finished my homework yesterday.
The boy went to a restaurant.
The Sawyers lived at King Street a year ago.
Did you finish your homework yesterday?
Did the boy go to a restaurant?
Did the Sawyers live at King Street a year ago?
I did not finish my homework yesterday.
The boy did not go to a restaurant.
The Sawyers did not live at King Street a year ago.
Yes, I did. / No, I didn't.
Yes, he did. / No, he didn't.
Yes, they did. / No, they did not.
He is a teacher.
The girl is very beautiful.
Tim and Jack are students.
Is he a teacher?
Is the girl very beautiful?
Are Tim and Jack students?
He is not a teacher.
The girl is not very beautiful.
Tim and Jack are not students.
Yes, he is. / No, he is not.
Yes, she is. / No, she is not.
Yes, they are. / No, they are not.