It is my observation that our computing devices will keep getting smaller and more sophisticated. This is partly because of consumer demand, and partly because the technology used to make our computing devices work is becoming smaller and more powerful.
past: I was; you were; he/she/it was present: I am; you are; he/she/it is
Observing.
Have is present tense. The past tense is had.
There is a past, present, and future. There was a past; there is a present and there will be a future.
what is present past
Past - was Present - is Future - will be
Present tense: are Past tense: were
past: I did, you did, he/she/it did; present: I do, you do, he/she/it/does
The past perfect tense is had observed.
Observed is the past tense of observe.
present: walk past: walked present: eat past: ate present: speak past: spoke
Present: seek Past: sought Past participle: sought