五、以下动词加-ed或-ing要双写最后一个字母
1. regret (regretted, regretting)
后悔
2. control (controlled, controlling) 控制
3. admit (admitted, admitting)
承认
4. occur (occurred, occurring) 出现
5. prefer (preferred, preferring)
宁愿
6. refer (referred, referring) 提到
7. forget (forgetting )
忘记
8. permit (permitted, permitting)允许
9. equip (equipped, equipping) 装备
注意:quarrel, signal, travel中的l可双写(英国英语)也可不双写(美国英语)
1. regret (regretted, regretting)
后悔
2. control (controlled, controlling) 控制
3. admit (admitted, admitting)
承认
4. occur (occurred, occurring) 出现
5. prefer (preferred, preferring)
宁愿
6. refer (referred, referring) 提到
7. forget (forgetting )
忘记
8. permit (permitted, permitting)允许
9. equip (equipped, equipping) 装备
注意:quarrel, signal, travel中的l可双写(英国英语)也可不双写(美国英语)