搜题库

1．表示经常性或习惯性的动作，常与表示频度的时间状语连用。如：always, usually, often, sometimes,seldom（很少）, never（决不）, every day, at 8:30, on Sunday,in the morning 等。
如：I always get up at 6:00 in the morning.
2．表示现在时刻的状态、能力、性格、个性。
如：She loves English very much. My sister can play the piano very well.
3．表示客观的事实。 如：The sun rises in the east. 太阳从东方升起。
4．格言或警句。 如：Pride goes before a fall. 骄者必败。

1．如果句子主语的人称是 I, we, you, they 或复数名词时，动词用动词原形。
如：We often go home by bus.
2．如果句子的主语是第三人称单数，即：he, she, it 或单数名词时，动词要用第三人称的单数形式。
如：He often goes home by bus.

1．一般情况下在动词的后面直接加“s”；
如：work→works play→plays¬ rain→rains see→sees visit→visits
2．以 o, x,s,sh, ch 结尾的动词，在后面加“es”；
如：do→does fix→fixes guess→guesses wash→washes teach→teaches
3．以辅音字母加 y 结尾的动词，先把 “y” 改为 “i”, 再加“es”；
如：fly→flies study→studies carry→carries
4．不规则变化。 如：have→has

在一般现在时的句子中，如果前面使用了助动词 does, doesn’t, will, won’t, can, can’t, would,wouldn’t, must, mustn’t 等，尽管主语是第三人称单数，后面的动词用动词原形。
如：He doesn’t want to go shopping. He can sing the song.

一般现在时的一般疑问句是把助动词 do, 或 does 放在句首来引导。
1、如果句子的主语是 I, we, you, they 或复数名词时，用 do 来引导，其余句子的位置不变。肯定回答：Yes, I/we/they do. 否定回答：No, I/we/they don’t.
如：They go to school by bus every day. →Do they go to school by bus every day? →Yes, they do.（肯定回答） →No, they don’t.（否定回答）
2、如果句子的主语是 he, she, it 或单数名词时，用 does 来引导，其余句子的位置不变，但是要把原来句子中的动词第三人称单数形式，改为动词原形。肯定回答：Yes, he/she/it does. 否定回答： No,
he/she/it doesn’t.
如：He often goes to school by bike. →Does he often go to school by bike? →Yes, he does. （肯定回答） →No, he doesn’t. （否定回答）

1．如果句子的主语是 I, we, you, they 或复数名词时，则在主语的后面加 don’t。
如： We always go to school on foot. →We don’t always go to school on foot.
2．如果句子的主语是 he, she, it 或单数名词时，则在主语的后面加 doesn’t 。但是要把原来句子中的动词第三人称单数形式，改为动词原形。
如：He often goes to school by bike. →He doesn’t often go to school by bike.