I don't diphthongize you don't diphthongize he doesn't diphthongize we don't diphthongize you don't diphthongize they don't diphthongize
Present continuous
I'm not diphthongizing you aren't diphthongizing he isn't diphthongizing we aren't diphthongizing you aren't diphthongizing they aren't diphthongizing
Preterite
I didn't diphthongize you didn't diphthongize he didn't diphthongize we didn't diphthongize you didn't diphthongize they didn't diphthongize
Preterite continuous
I wasn't diphthongizing you weren't diphthongizing he wasn't diphthongizing we weren't diphthongizing you weren't diphthongizing they weren't diphthongizing
Present perfect
I haven't diphthongized you haven't diphthongized he hasn't diphthongized we haven't diphthongized you haven't diphthongized they haven't diphthongized
Present perfect continuous
I haven't been diphthongizing you haven't been diphthongizing he hasn't been diphthongizing we haven't been diphthongizing you haven't been diphthongizing they haven't been diphthongizing
Pluperfect
I hadn't diphthongized you hadn't diphthongized he hadn't diphthongized we hadn't diphthongized you hadn't diphthongized they hadn't diphthongized
Pluperfect continuous
I hadn't been diphthongizing you hadn't been diphthongizing he hadn't been diphthongizing we hadn't been diphthongizing you hadn't been diphthongizing they hadn't been diphthongizing
Future
I won't diphthongize you won't diphthongize he won't diphthongize we won't diphthongize you won't diphthongize they won't diphthongize
Future continuous
I won't be diphthongizing you won't be diphthongizing he won't be diphthongizing we won't be diphthongizing you won't be diphthongizing they won't be diphthongizing
Future perfect
I won't have diphthongized you won't have diphthongized he won't have diphthongized we won't have diphthongized you won't have diphthongized they won't have diphthongized
Future perfect continuous
I won't have been diphthongizing you won't have been diphthongizing he won't have been diphthongizing we won't have been diphthongizing you won't have been diphthongizing they won't have been diphthongizing
Conditional
Present
I wouldn't diphthongize you wouldn't diphthongize he wouldn't diphthongize we wouldn't diphthongize you wouldn't diphthongize they wouldn't diphthongize
Present continuous
I wouldn't be diphthongizing you wouldn't be diphthongizing he wouldn't be diphthongizing we wouldn't be diphthongizing you wouldn't be diphthongizing they wouldn't be diphthongizing
Past
I wouldn't have diphthongized you wouldn't have diphthongized he wouldn't have diphthongized we wouldn't have diphthongized you wouldn't have diphthongized they wouldn't have diphthongized
Past continuous
I wouldn't have been diphthongizing you wouldn't have been diphthongizing he wouldn't have been diphthongizing we wouldn't have been diphthongizing you wouldn't have been diphthongizing they wouldn't have been diphthongizing
Imperative
Imperative
do not diphthongize Let's not diphthongize do not diphthongize