$\text{2.Lan asked Hoa if she liked English-> S asked sb whether/if S + V lùi thì( câu gián tiếp) }$$\\$$\text{3.She has taught/has been teaching English since 1998}$$\\$$\text{( S started/began + V-ing = S have/has P2 + time)}$$\\$$\text{4.Our house is decorated before Tet( S tobe P2 by O -> CBĐ)}$$\\$$\text{5.She said that she was a teacher.}$$\\$$\text{S said S+ V (lùi thì)-> câu gián tiếp}$$\\$$\text{#Camđilánhnạn;-;}$

2. Lan asked Hoa if she liked English.

3. She has taught English since 1998.

4. Our house is decorated before Tet.

5. She said she was a teacher.

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