
Regular verb: improve - improved - improved
Present | Present continuous | Preterite | Preterite continuous | 
| I improve you improve she improves we improve you improve they improve  | I am improving you are improving she is improving we are improving you are improving they are improving  | I improved you improved she improved we improved you improved they improved  | I was improving you were improving she was improving we were improving you were improving they were improving  | 
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous | 
| I have improved you have improved she has improved we have improved you have improved they have improved  | I have been improving you have been improving she has been improving we have been improving you have been improving they have been improving  | I had improved you had improved she had improved we had improved you had improved they had improved  | I had been improving you had been improving she had been improving we had been improving you had been improving they had been improving  | 
Future | Future continuous | Future perfect | Future perfect continuous | 
| I will improve you will improve she will improve we will improve you will improve they will improve  | I will be improving you will be improving she will be improving we will be improving you will be improving they will be improving  | I will have improved you will have improved she will have improved we will have improved you will have improved they will have improved  | I will have been improving you will have been improving she will have been improving we will have been improving you will have been improving they will have been improving  | 
Present | Present continuous | Past | Past continuous | 
| I would improve you would improve she would improve we would improve you would improve they would improve  | I would be improving you would be improving she would be improving we would be improving you would be improving they would be improving  | I would have improved you would have improved she would have improved we would have improved you would have improved they would have improved  | I would have been improving you would have been improving she would have been improving we would have been improving you would have been improving they would have been improving  | 
Infinitive | Imperative | 
Infinitive | Imperative | ||
| to improve | improve Let's improve improve  | 
Present | Past | ||
| improving | improved |