1. in the garden / My mother /at the moment./ is working
.................................................................................................................................
2. is / table / four / chairs / in/ the dining room./ There/ and / a
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1. in the garden / My mother /at the moment./ is working
→ My mother is working in the garden at the momment
CT : S + is/am/are + V-ing + O
2. is / table / four / chairs / in/ the dining room./ There/ and / a
→ There is a table and four chairs in the dining room
CT : There is + a/an + danh từ số ít
1 My mother is working in the garden at the moment.
2 There is a table and four chairs in the dining room.