Cấu trúc:
(+) S1 will be PII (by S2) + O
(-) S1 will not be PII (by S2) + O
(?) Will S1 be PII (by S2) +O ?
Ví dụ:
Câu chủ động: My sister will celebrate a birthday party tomorrrow.
Câu bị động:
(+) A birthday party will be celebrated by my sister tomorrow.
(-) A birthday party won't be celebrated by my sister tomorrow.
(?) Will a birthday party be celebrated by my sister tomorrow?