SIMPLE PRESENT
Affirmative
- I invent
- you invent
- she/he/it invents
- we invent
- you invent
- they invent
Negative
- I do not invent
- you do not invent
- she/he/it does not invent
- we do not invent
- you do not invent
- they do not invent
Interrogative
- do I invent ?
- do you invent ?
- does she/he/it invent ?
- do we invent ?
- do you invent ?
- do they invent ?
Negative - Interrogative
- do I not invent ?
- do you not invent ?
- does she/he/it not invent ?
- do we not invent ?
- do you not invent ?
- do they not invent ?
PRESENT CONTINUOUS
Affirmative
- I am inventing
- you are inventing
- she/he/it is inventing
- we are inventing
- you are inventing
- they are inventing
Negative
- I am not inventing
- you are not inventing
- she/he/it is not inventing
- we are not inventing
- you are not inventing
- they are not inventing
Interrogative
- am I inventing ?
- are you inventing ?
- is she/he/it inventing ?
- are we inventing ?
- are you inventing ?
- are they inventing ?
Negative - Interrogative
- am I not inventing ?
- are you not inventing ?
- is she/he/it not inventing ?
- are we not inventing ?
- are you not inventing ?
- are they not inventing ?
SIMPLE PAST
Affirmative
- I invented
- you invented
- she/he/it invented
- we invented
- you invented
- they invented
Negative
- I did not invent
- you did not invent
- she/he/it did not invent
- we did not invent
- you did not invent
- they did not invent
Interrogative
- did I invent ?
- did you invent ?
- did she/he/it invent ?
- did we invent ?
- did you invent ?
- did they invent ?
Negative - Interrogative
- did I not invent ?
- did you not invent ?
- did she/he/it not invent ?
- did we not invent ?
- did you not invent ?
- did they not invent ?
PRESENT PERFECT
Affirmative
- I have invented
- you have invented
- she/he/it has invented
- we have invented
- you have invented
- they have invented
Negative
- I have not invented
- you have not invented
- she/he/it has not invented
- we have not invented
- you have not invented
- they have not invented
Interrogative
- have I invented ?
- have you invented ?
- has she/he/it invented ?
- have we invented ?
- have you invented ?
- have they invented ?
Negative - Interrogative
- have I not invented ?
- have you not invented ?
- has she/he/it not invented ?
- have we not invented ?
- have you not invented ?
- have they not invented ?
PAST CONTINUOUS
Affirmative
- I was inventing
- you were inventing
- she/he/it was inventing
- we were inventing
- you were inventing
- they were inventing
Negative
- I was not inventing
- you were not inventing
- she/he/it was not inventing
- you were not inventing
- you were not inventing
- they were not inventing
Interrogative
- was I inventing ?
- were you inventing ?
- was she/he/it inventing ?
- were we inventing ?
- were you inventing ?
- were they inventing ?
Negative - Interrogative
- was I not inventing ?
- were you not inventing ?
- was she/he/it not inventing ?
- were we not inventing ?
- were you not inventing ?
- were they not inventing ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been inventing
- you have been inventing
- she/he/it has been inventing
- we have been inventing
- you have been inventing
- they have been inventing
Negative
- I have not been inventing
- you have not been inventing
- she/he/it has not been inventing
- we have not been inventing
- you have not been inventing
- they have not been inventing
Interrogative
- have I been inventing ?
- have you been inventing ?
- has she/he/it been inventing ?
- have we been inventing ?
- have you been inventing ?
- have they been inventing ?
Negative - Interrogative
- have I not been inventing ?
- have you not been inventing ?
- has she/he/it not been inventing ?
- have we not been inventing ?
- have you not been inventing ?
- have they not been inventing ?
PAST PERFECT
Affirmative
- I had invented
- you had invented
- she/he/it had invented
- we had invented
- you had invented
- they had invented
Negative
- I had not invented
- you had not invented
- she/he/it had not invented
- we had not invented
- you had not invented
- they had not invented
Interrogative
- had I invented ?
- had you invented ?
- had she/he/it invented ?
- had we invented ?
- had you invented ?
- had they invented ?
Negative - Interrogative
- had I not invented ?
- had you not invented ?
- had she/he/it not invented ?
- had we not invented ?
- had you not invented ?
- had they not invented ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been inventing
- you had been inventing
- she/he/it had been inventing
- we had been inventing
- you had been inventing
- they had been inventing
Negative
- I had not been inventing
- you had not been inventing
- she/he/it had not been inventing
- we had not been inventing
- you had not been inventing
- they had not been inventing
Interrogative
- had I been inventing ?
- had you been inventing ?
- had she/he/it been inventing ?
- had we been inventing ?
- had you been inventing ?
- had they been inventing ?
Negative - Interrogative
- had I not been inventing ?
- had you not been inventing ?
- had she/he/it not been inventing ?
- had we not been inventing ?
- had you not been inventing ?
- had they not been inventing ?