Python 2, 97 95 92 90 83 bytes

lambda n:[w for i in range(n)for w in'Yeah','But','No'if(len(w)<3)==i%(3-len(w)%2)]

Try it online!

Python 3, 92 90 85 bytes

lambda n:[w for i in range(n)for w in['Yeah','But','No']if(len(w)<3)==i%(3-len(w)%2)]

Try it online!

_{-2 bytes, thanks to ovs}

_{-4 bytes, thanks to Jo King}

Python 2, 97 95 92 90 83 81 bytes

lambda n:[w for i in range(n)for w in'Yeah','But','No'if('N'in w)==i%(3-(w<'N'))]

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_{-2 bytes, thanks to ovs}

Python 3, 92 90 85 83 bytes

lambda n:[w for i in range(n)for w in['Yeah','But','No']if('N'in w)==i%(3-(w<'N'))]

Try it online!

_{-4 bytes, thanks to ovs}

-4 bytes, thanks to Jo King

Python 2, 97 95 92 90 bytes

for i in range(input()):
 for w in'Yeah','But','No':
	if(len(w)<3)==i%(3-len(w)%2):print w

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Python 3, 92 90 bytes

def f(n):[print('Yeah\n'*(i%3<1)+'But\n'*(i%2<1)+'No\n'*(i%3==1),end='')for i in range(n)]

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_{-2 bytes, thanks to ovs}

Python 2, 97 95 92 90 83 bytes

lambda n:[w for i in range(n)for w in'Yeah','But','No'if(len(w)<3)==i%(3-len(w)%2)]

Try it online!

Python 3, 92 90 85 bytes

lambda n:[w for i in range(n)for w in['Yeah','But','No']if(len(w)<3)==i%(3-len(w)%2)]

Try it online!

_{-2 bytes, thanks to ovs}

_{-4 bytes, thanks to Jo King}

Python 2, 97 95 92 90 bytes

for i in range(input()):
 for w in'Yeah','But','No':
	if(len(w)<3)==i%(3-len(w)%2):print w

Try it online!

Python 3, 92 bytes

def f(n): 
 for i in range(n):print('Yeah\n'*(i%3<1)+'But\n'*(i%2<1)+'No\n'*(i%3==1),end='')

Try it online!

Python 2, 97 95 92 90 bytes

for i in range(input()):
 for w in'Yeah','But','No':
	if(len(w)<3)==i%(3-len(w)%2):print w

Try it online!

Python 3, 92 90 bytes

def f(n):[print('Yeah\n'*(i%3<1)+'But\n'*(i%2<1)+'No\n'*(i%3==1),end='')for i in range(n)]

Try it online!

_{-2 bytes, thanks to ovs}