SIMPLE PRESENT
Affirmative
- I undertake
- you undertake
- she/he/it undertakes
- we undertake
- you undertake
- they undertake
Negative
- I do not undertake
- you do not undertake
- she/he/it does not undertake
- we do not undertake
- you do not undertake
- they do not undertake
Interrogative
- do I undertake ?
- do you undertake ?
- does she/he/it undertake ?
- do we undertake ?
- do you undertake ?
- do they undertake ?
Negative - Interrogative
- do I not undertake ?
- do you not undertake ?
- does she/he/it not undertake ?
- do we not undertake ?
- do you not undertake ?
- do they not undertake ?
PRESENT CONTINUOUS
Affirmative
- I am undertaking
- you are undertaking
- she/he/it is undertaking
- we are undertaking
- you are undertaking
- they are undertaking
Negative
- I am not undertaking
- you are not undertaking
- she/he/it is not undertaking
- we are not undertaking
- you are not undertaking
- they are not undertaking
Interrogative
- am I undertaking ?
- are you undertaking ?
- is she/he/it undertaking ?
- are we undertaking ?
- are you undertaking ?
- are they undertaking ?
Negative - Interrogative
- am I not undertaking ?
- are you not undertaking ?
- is she/he/it not undertaking ?
- are we not undertaking ?
- are you not undertaking ?
- are they not undertaking ?
SIMPLE PAST
Affirmative
- I undertook
- you undertook
- she/he/it undertook
- we undertook
- you undertook
- they undertook
Negative
- I did not undertake
- you did not undertake
- she/he/it did not undertake
- we did not undertake
- you did not undertake
- they did not undertake
Interrogative
- did I undertake ?
- did you undertake ?
- did she/he/it undertake ?
- did we undertake ?
- did you undertake ?
- did they undertake ?
Negative - Interrogative
- did I not undertake ?
- did you not undertake ?
- did she/he/it not undertake ?
- did we not undertake ?
- did you not undertake ?
- did they not undertake ?
PRESENT PERFECT
Affirmative
- I have undertaken
- you have undertaken
- she/he/it has undertaken
- we have undertaken
- you have undertaken
- they have undertaken
Negative
- I have not undertaken
- you have not undertaken
- she/he/it has not undertaken
- we have not undertaken
- you have not undertaken
- they have not undertaken
Interrogative
- have I undertaken ?
- have you undertaken ?
- has she/he/it undertaken ?
- have we undertaken ?
- have you undertaken ?
- have they undertaken ?
Negative - Interrogative
- have I not undertaken ?
- have you not undertaken ?
- has she/he/it not undertaken ?
- have we not undertaken ?
- have you not undertaken ?
- have they not undertaken ?
PAST CONTINUOUS
Affirmative
- I was undertaking
- you were undertaking
- she/he/it was undertaking
- we were undertaking
- you were undertaking
- they were undertaking
Negative
- I was not undertaking
- you were not undertaking
- she/he/it was not undertaking
- you were not undertaking
- you were not undertaking
- they were not undertaking
Interrogative
- was I undertaking ?
- were you undertaking ?
- was she/he/it undertaking ?
- were we undertaking ?
- were you undertaking ?
- were they undertaking ?
Negative - Interrogative
- was I not undertaking ?
- were you not undertaking ?
- was she/he/it not undertaking ?
- were we not undertaking ?
- were you not undertaking ?
- were they not undertaking ?
PRESENT PERFECT CONTINUOUS
Affirmative
- I have been undertaking
- you have been undertaking
- she/he/it has been undertaking
- we have been undertaking
- you have been undertaking
- they have been undertaking
Negative
- I have not been undertaking
- you have not been undertaking
- she/he/it has not been undertaking
- we have not been undertaking
- you have not been undertaking
- they have not been undertaking
Interrogative
- have I been undertaking ?
- have you been undertaking ?
- has she/he/it been undertaking ?
- have we been undertaking ?
- have you been undertaking ?
- have they been undertaking ?
Negative - Interrogative
- have I not been undertaking ?
- have you not been undertaking ?
- has she/he/it not been undertaking ?
- have we not been undertaking ?
- have you not been undertaking ?
- have they not been undertaking ?
PAST PERFECT
Affirmative
- I had undertaken
- you had undertaken
- she/he/it had undertaken
- we had undertaken
- you had undertaken
- they had undertaken
Negative
- I had not undertaken
- you had not undertaken
- she/he/it had not undertaken
- we had not undertaken
- you had not undertaken
- they had not undertaken
Interrogative
- had I undertaken ?
- had you undertaken ?
- had she/he/it undertaken ?
- had we undertaken ?
- had you undertaken ?
- had they undertaken ?
Negative - Interrogative
- had I not undertaken ?
- had you not undertaken ?
- had she/he/it not undertaken ?
- had we not undertaken ?
- had you not undertaken ?
- had they not undertaken ?
PAST PERFECT CONTINUOUS
Affirmative
- I had been undertaking
- you had been undertaking
- she/he/it had been undertaking
- we had been undertaking
- you had been undertaking
- they had been undertaking
Negative
- I had not been undertaking
- you had not been undertaking
- she/he/it had not been undertaking
- we had not been undertaking
- you had not been undertaking
- they had not been undertaking
Interrogative
- had I been undertaking ?
- had you been undertaking ?
- had she/he/it been undertaking ?
- had we been undertaking ?
- had you been undertaking ?
- had they been undertaking ?
Negative - Interrogative
- had I not been undertaking ?
- had you not been undertaking ?
- had she/he/it not been undertaking ?
- had we not been undertaking ?
- had you not been undertaking ?
- had they not been undertaking ?