be動(dòng)詞的過去式 ->was/were
am/is => was
are => were
過去式be動(dòng)詞標(biāo)識(shí)“過去時(shí)間發(fā)生的狀態(tài)”
例：（現(xiàn)在式）He is busy now.
（過去式）He was busy then.
- 時(shí)間副詞改變，動(dòng)詞也必須改變
（現(xiàn)在式）My parents are at home now.
（過去式）My parents were at home yesterday.
be動(dòng)詞（過去式）的否定詞 =>主詞 + was/were + not ...
例 Mr. Brown was a vet.布朗先生以前是個(gè)獸醫(yī)馅巷。
否定句：Mr. Brown was not a vet.
- 過去發(fā)生的事情场刑，現(xiàn)在不是了蠢沿。
Joe and Brain were in the living room at that time.
否定句：Joe and Brain were not in living room at that time.
be動(dòng)詞（過去式）的疑問句
肯定句：主詞 + was/were ...
疑問句：Was/Were + 主詞...?
例：Wendy was in the seventh grade last year.
疑問句：Was Wendy in the seventh grade last year?
答句：Yes,主詞 + was/were.
No,主詞 + was/were not.
例：Were you a pianist? (piano) 鋼琴家
Yes,I was./No,I wasn't.
一般動(dòng)詞的過去式=>規(guī)則變化
規(guī)則變化 =>+ed [t] [d] [?d]
原形動(dòng)詞 + ed 例：helped\spelled\wanted
原形動(dòng)詞字尾有 e + d 例：love->loved dance->danced
原形動(dòng)詞為子音 + 短母音 + 子音 =》重復(fù)字尾 +ed
例：stopped planned
原形動(dòng)詞字尾為子音 + y =>去y + ied
例：study - studied / cry - cried
*現(xiàn)在式 去y + ies
*形容詞 去y + ier （比較級(jí)）
不規(guī)則變化 例：eat - ate / read - read
ride - rode / come - came / go - went / have - had
see - saw / teach - taught / give - gave / take - took
例：I walk to school every day.
過去式：I walked to school yesterday.
- 動(dòng)詞跟著時(shí)間來改變 這個(gè)就是時(shí)態(tài)的變化
Mother goes to a supermarket every morning.
過去式：Mother went to a supermarket yesterday morning.
- 主詞為第三人稱單數(shù)時(shí)构韵，過去式動(dòng)詞不須加s
一般動(dòng)詞（過去式）的否定 =>須用助動(dòng)詞did
肯定句：主詞 + 一般動(dòng)詞（過去式）...
否定句：主詞 + did not + 原形動(dòng)詞...
例：He called you last night.
否定句：He didn't call you last night.
My sister and I watched TV all day yesterday.
否定句：My sister and I didn't watch TV all day yesterday.
我和姐姐昨天并非看了一天電視张足。
比較：否定句（過去式）
be動(dòng)詞=》She was at home.
She wasn't at home.
一般動(dòng)詞 =》She studied English.
She didn't study English.
一般動(dòng)詞的疑問句：
肯定句：主詞 + 一般動(dòng)詞（過去式）...
疑問句：Did + 主詞 + 原形動(dòng)詞...
例：His friends went to that movie last week.
疑問句：Did his friends go to that movie last week?
Grace wrote a letter to David.
疑問句：Did Grace write a letter to David?
答句：Yes,she did./No,she didn't.
比較：疑問句（過去式）
be動(dòng)詞=》He was sick.
Was he sick?
一般動(dòng)詞=》He did his homework.
Did he do his homework?
do/does（現(xiàn)在） did（過去）
- 一般動(dòng)詞 - 做
- 助動(dòng)詞 （+原形動(dòng)詞）
學(xué)習(xí)筆記：謝孟媛英語初級(jí)文法完美版視頻課程
