| I | cram | 
|---|---|
| you | cram | 
| he/she/it | crams | 
| we | cram | 
| you | cram | 
| they | cram | 
| I | crammed | 
|---|---|
| you | crammed | 
| he/she/it | crammed | 
| we | crammed | 
| you | crammed | 
| they | crammed | 
| I | have | crammed | 
|---|---|---|
| you | have | crammed | 
| he/she/it | has | crammed | 
| we | have | crammed | 
| you | have | crammed | 
| they | have | crammed | 
| I | had | crammed | 
|---|---|---|
| you | had | crammed | 
| he/she/it | had | crammed | 
| we | had | crammed | 
| you | had | crammed | 
| they | had | crammed | 
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