| Present | Past | Future | |
|---|---|---|---|
| I | check | checked | will check |
| you | check | checked | will check |
| he/she | checks | checked | will check |
| we | check | checked | will check |
| you | check | checked | will check |
| they | check | checked | will check |
| I | check |
| you | check |
| he/she | checks |
| we | check |
| you | check |
| they | check |
| I | checked |
| you | checked |
| he/she | checked |
| we | checked |
| you | checked |
| they | checked |
| I | will check |
| you | will check |
| he/she | will check |
| we | will check |
| you | will check |
| they | will check |
| Present | Past | Future | |
|---|---|---|---|
| I | have checked | had checked | will have checked |
| you | have checked | had checked | will have checked |
| he/she | has checked | had checked | will have checked |
| we | have checked | had checked | will have checked |
| you | have checked | had checked | will have checked |
| they | have checked | had checked | will have checked |
| I | have checked |
| you | have checked |
| he/she | has checked |
| we | have checked |
| you | have checked |
| they | have checked |
| I | had checked |
| you | had checked |
| he/she | had checked |
| we | had checked |
| you | had checked |
| they | had checked |
| I | will have checked |
| you | will have checked |
| he/she | will have checked |
| we | will have checked |
| you | will have checked |
| they | will have checked |
| Imperative | |
|---|---|
| I | - |
| you | check |
| he/she | - |
| we | - |
| you | check |
| they | - |
| I | - |
| you | check |
| he/she | - |
| we | - |
| you | check |
| they | - |
| Present | Past | Future | |
|---|---|---|---|
| I | am checking | was checking | will be checking |
| you | are checking | were checking | will be checking |
| he/she | is checking | was checking | will be checking |
| we | are checking | were checking | will be checking |
| you | are checking | were checking | will be checking |
| they | are checking | were checking | will be checking |
| I | am checking |
| you | are checking |
| he/she | is checking |
| we | are checking |
| you | are checking |
| they | are checking |
| I | was checking |
| you | were checking |
| he/she | was checking |
| we | were checking |
| you | were checking |
| they | were checking |
| I | will be checking |
| you | will be checking |
| he/she | will be checking |
| we | will be checking |
| you | will be checking |
| they | will be checking |
| Present | Past | Future | |
|---|---|---|---|
| I | have been checking | had been checking | will have been checking |
| you | have been checking | had been checking | will have been checking |
| he/she | has been checking | had been checking | will have been checking |
| we | have been checking | had been checking | will have been checking |
| you | have been checking | had been checking | will have been checking |
| they | have been checking | had been checking | will have been checking |
| I | have been checking |
| you | have been checking |
| he/she | has been checking |
| we | have been checking |
| you | have been checking |
| they | have been checking |
| I | had been checking |
| you | had been checking |
| he/she | had been checking |
| we | had been checking |
| you | had been checking |
| they | had been checking |
| I | will have been checking |
| you | will have been checking |
| he/she | will have been checking |
| we | will have been checking |
| you | will have been checking |
| they | will have been checking |