So/ Neither / Nor to show agreement
SO
It is used to show agreement with positive statements. The structure is as follows:
So + auxiliary verb + subject
Examples:
Blanca: "I am happy"
Sonia: "So am I"
Lewis: "I always sleep late on weekends"
Robert: "So do I"
NEITHER
It is used to show agreement with negative statements. The structure is as follows:
Neither + auxiliary verb + subject
Examples:
George: "I don't understand Spanish"
Lina: "Neither do I"
Samantha: "I didn't go out last weekend"
Rachel: "Neither did I"
Activities:
Multiple choice with SO and NEITHER
Source of the picture: YouTube