| Present Simple - Presente (Present) "obstruct" | I | obstruct | |
| Presente Contínuo (Present Continuous) (Present Continuous) "obstruct" | I | am obstructing | |
| Tempo passado (Simple past) "obstruct" | I | obstructed | |
| Passado Contínuo (Past Continuous) "obstruct" | I | was obstructing | |
| Present Perfect (Present perfect) "obstruct" | I | have obstructed | |
| Perfeito Presente Contínuo (Present Perfect Continuous) "obstruct" | I | have been obstructing | |
| Past Perfect (Present perfect) "obstruct" | I | had obstructed | |
| Perfeito presente contínuo (Past perfect continuous) "obstruct" | I | had been obstructing | |
| O futuro (Future) "obstruct" | I | will obstruct | |
| Futuro do Pretérito (Future Continuous) "obstruct" | I | will be obstructing | |
| Futuro (Future perfect) "obstruct" | I | will have obstructed | |
| Perfeito Futuro do Pretérito (Future perfect continuous) "obstruct" | I | will have been obstructing |