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詞(1) Basic form: am/are/is(2) 肯定和否定句 I am(not) from London.My eyes are(not) small.My hair is(not) long.(3)一般疑問句: Am I a Chniese? Yes, you are. No, you aren’t.Are they American? Yes, they are. No, they aren’t.Is the cat fat? Yes, it is. No, it isn’t.11. there be 結(jié)構(gòu)肯定句: There is a …There are …一般疑問句:Is there …? Yes, there is./ No, there isn’t.Are there…? Yes, there are. /No, there aren’t.否定句: There isn’t …. There aren’t….12. 祈使句Sit down pleaseDon’t sit down, please.13. “now”.形式: be + verb +ingeg: I am(not) doing my homework.You/We/They are(not) reading.He/She/It is(not) eating.動詞 —ing 的形式Most verbs +ing walk—walkingVerbs ending in e e + ing e—i