The dog may (bite)you if you (aren't )friendly to him
分析 may 后接动词原形; IF 从句用一般现在时.
I (looked )for my pen everywhere,but I couldn't find it.
根据couldn't 可知用一般过去时
如果不明白,请再问;如果对你有所帮助,
请点击本页面中的“选为满意回答”按钮,谢谢!
The dog may (bite)you if you (aren't )friendly to him
分析 may 后接动词原形; IF 从句用一般现在时.
I (looked )for my pen everywhere,but I couldn't find it.
根据couldn't 可知用一般过去时
如果不明白,请再问;如果对你有所帮助,
请点击本页面中的“选为满意回答”按钮,谢谢!