7.5 Auxiliary Verbs
2025/11/24小于 1 分钟
7.5 Auxiliary Verbs
- Primary Auxiliaries
- Semi-Auxiliaries
Primary Auxiliaries
| Present Tense | Past Tense | |
|---|---|---|
| be | am is are | was was were |
| do | do, does | did |
| have | have, has | had |
| shall | shall | should |
| will | will | would |
| Present Tense | Past Tense | |
|---|---|---|
| be | am is are | was was were |
| do | do, does | did |
| have | have, has | had |
| shall | shall | should |
| will | will | would |