Regular verb: think back - think backed - think backed
Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I will think back you will think back he will think back we will think back you will think back they will think back
V-ing form
I will be think backing you will be think backing he will be think backing we will be think backing you will be think backing they will be think backing
Perfect
I will have think backed you will have think backed he will have think backed we will have think backed you will have think backed they will have think backed
V-ing perfect
I will have been think backing you will have been think backing he will have been think backing we will have been think backing you will have been think backing they will have been think backing
Negation
Simple form
I will not think back you will not think back he will not think back we will not think back you will not think back they will not think back
V-ing form
I will not be think backing you will not be think backing he will not be think backing we will not be think backing you will not be think backing they will not be think backing
Perfect
I will not have think backed you will not have think backed he will not have think backed we will not have think backed you will not have think backed they will not have think backed
V-ing perfect
I will not have been think backing you will not have been think backing he will not have been think backing we will not have been think backing you will not have been think backing they will not have been think backing
Interrogative form
Simple form
will I think back? will you think back? will he think back? will we think back? will you think back? will they think back?
V-ing form
will I be think backing? will you be think backing? will he be think backing? will we be think backing? will you be think backing? will they be think backing?
Perfect
will I have think backed? will you have think backed? will he have think backed? will we have think backed? will you have think backed? will they have think backed?
V-ing perfect
will I have been think backing? will you have been think backing? will he have been think backing? will we have been think backing? will you have been think backing? will they have been think backing?
Interro-negative form
Simple form
will I not think back? will you not think back? will he not think back? will we not think back? will you not think back? will they not think back?
V-ing form
will I not be think backing? will you not be think backing? will he not be think backing? will we not be think backing? will you not be think backing? will they not be think backing?
Perfect
will I not have think backed? will you not have think backed? will he not have think backed? will we not have think backed? will you not have think backed? will they not have think backed?
V-ing perfect
will I not have been think backing? will you not have been think backing? will he not have been think backing? will we not have been think backing? will you not have been think backing? will they not have been think backing?