| sg1st | sg2nd | sg3rd | pl1st | pl2nd | pl3rd | |
|---|---|---|---|---|---|---|
| Simple present | obstruct | obstruct | obstructs | obstruct | obstruct | obstruct |
| Present continuous | am obstructing | are obstructing | is obstructing | are obstructing | are obstructing | are obstructing |
| Simple past | obstructed | obstructed | obstructed | obstructed | obstructed | obstructed |
| Past continuous | was obstructing | were obstructing | was obstructing | were obstructing | were obstructing | were obstructing |
| Simple future | will obstruct | will obstruct | will obstruct | will obstruct | will obstruct | will obstruct |
| Future continuous | will be obstructing | will be obstructing | will be obstructing | will be obstructing | will be obstructing | will be obstructing |
| Present perfect | have obstructed | have obstructed | has obstructed | have obstructed | have obstructed | have obstructed |
| Present perfect continuous | have been obstructing | have been obstructing | has been obstructing | have been obstructing | have been obstructing | have been obstructing |
| Present continuous | am obstructing | are obstructing | is obstructing | are obstructing | are obstructing | are obstructing |
| Past perfect | had obstructed | had obstructed | had obstructed | had obstructed | had obstructed | had obstructed |
| Past perfect continuous | had been obstructing | had been obstructing | had been obstructing | had been obstructing | had been obstructing | had been obstructing |
| Future perfect | will have obstructed | will have obstructed | will have obstructed | will have obstructed | will have obstructed | will have obstructed |
| Future perfect continuous | will have been obstructing | will have been obstructing | will have been obstructing | will have been obstructing | will have been obstructing | will have been obstructing |
| sg1st | sg2nd | sg3rd | pl1st | pl2nd | pl3rd | |
|---|---|---|---|---|---|---|
| Simple present | don't obstruct | don't obstruct | doesn't obstruct | don't obstruct | don't obstruct | don't obstruct |
| Present continuous | am not obstructing | are not obstructing | is not obstructing | are not obstructing | are not obstructing | are not obstructing |
| Simple past | didn't obstruct | didn't obstruct | didn't obstruct | didn't obstruct | didn't obstruct | didn't obstruct |
| Past continuous | was not obstructing | were not obstructing | was not obstructing | were not obstructing | were not obstructing | were not obstructing |
| Simple future | won't obstruct | won't obstruct | won't obstruct | won't obstruct | won't obstruct | won't obstruct |
| Future continuous | will not be obstructing | will not be obstructing | will not be obstructing | will not be obstructing | will not be obstructing | will not be obstructing |
| Present perfect | have not obstructed | have not obstructed | has not obstructed | have not obstructed | have not obstructed | have not obstructed |
| Present perfect continuous | have not been obstructing | have not been obstructing | has not been obstructing | have not been obstructing | have not been obstructing | have not been obstructing |
| Present continuous | am not obstructing | are not obstructing | is not obstructing | are not obstructing | are not obstructing | are not obstructing |
| Past perfect | had not obstructed | had not obstructed | had not obstructed | had not obstructed | had not obstructed | had not obstructed |
| Past perfect continuous | had not been obstructing | had not been obstructing | had not been obstructing | had not been obstructing | had not been obstructing | had not been obstructing |
| Future perfect | will have not obstructed | will have not obstructed | will have not obstructed | will have not obstructed | will have not obstructed | will have not obstructed |
| Future perfect continuous | will have not been obstructing | will have not been obstructing | will have not been obstructing | will have not been obstructing | will have not been obstructing | will have not been obstructing |