pro·longed [prə(ʊ)ˈlɒŋd, 美 proʊˈlɑ:-] 形
pro·long [prə(ʊ)ˈlɒŋ, 美 proʊˈlɑ:ŋ] 动词 trans
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 -  etw verlängern
 
 
 | I | prolong | 
|---|---|
| you | prolong | 
| he/she/it | prolongs | 
| we | prolong | 
| you | prolong | 
| they | prolong | 
| I | prolonged | 
|---|---|
| you | prolonged | 
| he/she/it | prolonged | 
| we | prolonged | 
| you | prolonged | 
| they | prolonged | 
| I | have | prolonged | 
|---|---|---|
| you | have | prolonged | 
| he/she/it | has | prolonged | 
| we | have | prolonged | 
| you | have | prolonged | 
| they | have | prolonged | 
| I | had | prolonged | 
|---|---|---|
| you | had | prolonged | 
| he/she/it | had | prolonged | 
| we | had | prolonged | 
| you | had | prolonged | 
| they | had | prolonged |