double back 的动词变位表
Simple tenses
| I | double back | 
|---|---|
| you | double back | 
| he/she/it | doubles back | 
| we | double back | 
| you | double back | 
| they | double back | 
| I | doubled back | 
|---|---|
| you | doubled back | 
| he/she/it | doubled back | 
| we | doubled back | 
| you | doubled back | 
| they | doubled back | 
| I | have | doubled back | 
|---|---|---|
| you | have | doubled back | 
| he/she/it | has | doubled back | 
| we | have | doubled back | 
| you | have | doubled back | 
| they | have | doubled back | 
| I | had | doubled back | 
|---|---|---|
| you | had | doubled back | 
| he/she/it | had | doubled back | 
| we | had | doubled back | 
| you | had | doubled back | 
| they | had | doubled back | 
| I | will | double back | 
|---|---|---|
| you | will | double back | 
| he/she/it | will | double back | 
| we | will | double back | 
| you | will | double back | 
| they | will | double back | 
| I | am | going to | double back | 
|---|---|---|---|
| you | are | going to | double back | 
| he/she/it | is | going to | double back | 
| we | are | going to | double back | 
| you | are | going to | double back | 
| they | are | going to | double back | 
| I | will have | doubled back | 
|---|---|---|
| you | will have | doubled back | 
| he/she/it | will have | doubled back | 
| we | will have | doubled back | 
| you | will have | doubled back | 
| they | will have | doubled back | 
Continuous tenses
| I | am | doubling back | 
|---|---|---|
| you | are | doubling back | 
| he/she/it | is | doubling back | 
| we | are | doubling back | 
| you | are | doubling back | 
| they | are | doubling back | 
| I | was | doubling back | 
|---|---|---|
| you | were | doubling back | 
| he/she/it | was | doubling back | 
| we | were | doubling back | 
| you | were | doubling back | 
| they | were | doubling back | 
| I | have been | doubling back | 
|---|---|---|
| you | have been | doubling back | 
| he/she/it | has been | doubling back | 
| we | have been | doubling back | 
| you | have been | doubling back | 
| they | have been | doubling back | 
| I | had been | doubling back | 
|---|---|---|
| you | had been | doubling back | 
| he/she/it | had been | doubling back | 
| we | had been | doubling back | 
| you | had been | doubling back | 
| they | had been | doubling back | 
| I | will be | doubling back | 
|---|---|---|
| you | will be | doubling back | 
| he/she/it | will be | doubling back | 
| we | will be | doubling back | 
| you | will be | doubling back | 
| they | will be | doubling back | 
| I | am | going to be | doubling back | 
|---|---|---|---|
| you | are | going to be | doubling back | 
| he/she/it | is | going to be | doubling back | 
| we | are | going to be | doubling back | 
| you | are | going to be | doubling back | 
| they | are | going to be | doubling back | 
| I | will have been | doubling back | 
|---|---|---|
| you | will have been | doubling back | 
| he/she/it | will have been | doubling back | 
| we | will have been | doubling back | 
| you | will have been | doubling back | 
| they | will have been | doubling back | 
Conditional
| I | would | double back | 
|---|---|---|
| you | would | double back | 
| he/she/it | would | double back | 
| we | would | double back | 
| you | would | double back | 
| they | would | double back | 
| I | would have | doubled back | 
|---|---|---|
| you | would have | doubled back | 
| he/she/it | would have | doubled back | 
| we | would have | doubled back | 
| you | would have | doubled back | 
| they | would have | doubled back | 
Imperative
| double back | 
|---|
Impersonal
| doubling back | 
|---|
| doubled back | 
|---|
