1.The boy is playing basketball.（改為否定句）2.She is closing the door now.（改為否定句）

熱心網(wǎng)友

1 The boy isn't playing basketball.2 She isn't closing the door now.

熱心網(wǎng)友

1.The boy is not(isn't) playing basketball.2.She is not(isn't) closing the door now.

熱心網(wǎng)友

1.The boy isn't playing basketball.2.She isn't closing the door now. 應(yīng)該記住，所有be動(dòng)詞的否定形式都是在后面加not。

熱心網(wǎng)友

1.The boy isn't playing basketball.2.She isn't closing the door now.

熱心網(wǎng)友

1.The boy isn't playing basketball.2.She isn't closing the door now.

熱心網(wǎng)友

1.The boy isnot playing basketball.2.She isnot closing the door now.

熱心網(wǎng)友

is后面+not

熱心網(wǎng)友

1. The boy is not (isn't) playing basketball.2. She is not (isn't) closing the door now.