1.) To show a negative declarative sentence, use non- Manual marker of shaking your head. In slang , this is smh.
2.) To show an affirmative declarative sentence, use the non-Manual marker of nodding your head. This shows it is a yes or correct answer.
3.) Signing Me Teacher Me while shaking your head means I am not the teacher. Since shaking your head is a negative.
4.) You can change the sentence "I am not hungry" into " I am hungry" with a non- Manual marker by nodding your head.
Cob has been used since the 17th century as a building material. It is made by mixing dry sand, sifted clay and water. A cob house is a house that is made from this material. A benefit of using this material, is that it is sustainable and only uses natural products.
I dont know what your talking about.. i guess both of us need help now huh? lol