I. opening [ˈəʊpənıŋ] 名词
I. open [ˈəʊpən] 形
II. open [ˈəʊpən] 动词 trans
| I | open | 
|---|---|
| you | open | 
| he/she/it | opens | 
| we | open | 
| you | open | 
| they | open | 
| I | opened | 
|---|---|
| you | opened | 
| he/she/it | opened | 
| we | opened | 
| you | opened | 
| they | opened | 
| I | have | opened | 
|---|---|---|
| you | have | opened | 
| he/she/it | has | opened | 
| we | have | opened | 
| you | have | opened | 
| they | have | opened | 
| I | had | opened | 
|---|---|---|
| you | had | opened | 
| he/she/it | had | opened | 
| we | had | opened | 
| you | had | opened | 
| they | had | opened | 
