HTHT 

+) S+ have / has + V3 

-) S+ have / has + not + V3 

?) Have / has + S+ V3 ? 

QKD

+) S+ ved /V2 

-) S+ didn't +  V 

?) Did + S + V ? 

-----------------------------

`\text{1. have lost }`

→ HTHT - S số nhiều - have - V3 

`\text{2. arrived}`

→ QKD - in 1942 - Ved/ V2 

`\text{3. has broken }`

→ HTHT - still - S số ít - has - V3 

`\text{4. has lived }`

→ HTHT - all his life - S số ít - has - V3 

`\text{5. left}`

→ QKD - this ... - Ved/ V2 

`\text{6. stayed }`

→ QKD - Last ... - Ved/ V2 

`\text{7. did}`

→ QKD - in Paris last summer - Ved/ V2 

`\text{8. Has ... phoned }`

→ HTHT - yet - S số ít - Has - V3

`\text{9. played}`

→ QKD - yesterday - V2/ Ved 

`\text{10.have never visited  }`

→ HTHT - before